小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全80

1、小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全81-5-2=41 + 6-4=35-7-2=50+2-7=19+5-7=70-6-6=83+6-5=66-9-4=44-6-6=76-9-1 =84-2-3=85-2-4=55+4-4=53+1-2=84-3-8=33+7-7=66-9-5=59+6-6=77+3-1 =37-9-9=16-7-2=42-7-8=54-5-3=84-8-9=71-30+1 =70-50+ 12 =62-30+ 17 =68-60+7 =80-40+2 =61-60+ 10 =90-60-9 =83-20+4 =80-60-9 =65-60+ 18 =80-70- 16 =80-

2、10- 10 =71-60+20 =84-10+7 =72-10+3 =60-20-9 =62-10+ 14 =78-40+9 =79-20+ 17 =60-20-4 =84-50+ 16 =77-40+ 16 =70-20+3 =76-50+4 =80-70 =10+30 =50+20 =70-30 =77-50 =40+30 =10+20 =97-10 =30+20 =65-60 =60-40 =75-30 =81-20 =80-10 =20+20 =70-10 =50+20 =50-20 =10+40 =70-10 =97-20 =50-20 =61-40 =77-60 =55+5 =1

3、9+2 =53+6 =60-2 =23+1 =60+1 =23-5 =98-0 =21-2 =88+6 =42-1 =78-2 =91-1 =71 + 6 =26+7 =90-9 =48+8 =15+1 =74-8 =58-5 =67-7 =50+2 =23-8 =28-2 =30+30 =18+6 =18-3-9=40-10-11 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全20-10-8 =67-40+ 18 =90-80+ 19 =70-30+ 1 =62-60+ 18 =84-60+5 =83-10+2 =76-60+7 =70-50+ 19 =64-60+ 19 =80-60+6 =61-10

4、+3 =60-30+2 =68-60+ 15 =70-30+ 12 =78-50+ 19 =89-10+6 =50-20- 15 =90-80- 13 =80-70-7 =74-30+ 11 =73-40+7 =68-20+ 16 =90-80- 16 =70-30 =20+20 =90-10 =40+30 =98-60 =99-40 =90-50 =50+40 =90-60 =70-50 =90-80 =70-60 =66-30 =90-70 =10+20 =80-30 =20+40 =40+30 =90-40 =90-20 =70-20 =40+30 =40- 10 =80-20 =20+

5、20 =23-6 =13+8 =64-2 =97-3 =40+2 =24-7 =34+5 =13-8 =58-7 =35+6 =81 + 1 =91-2 =88-1 =63-4 =17-1 =20-0 =98-6 =21-5 =15-8 =90-5 =14-1 =49-9 =76-1 =86-8 =43+4-8=60-1-6=34-5-9=23-3-2=22-9-1 = 78-5-1 = 16-2-3= 26-7-4= 34+3-9= 35-2-4= 49-2-5= 21-7-3= 34+3-7= 18+3-9= 63-4-9= 46+2-8= 12+3-7= 76-6-2= 89-7-2=

6、82-3-1 = 21 + 8-6= 32+8-4= 86+8-1 = 29+7-4= 10-7-3=36+8 =60-30+ 19 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全23+3-5=52-7-5=83-6-1 =18-1-6=21 + 8-8=45-5-4=61 + 8-3=60-6-7=33+6-5=72+2-7=60+4-1 =70+7-9=80-3-3=30+3-3=85+6-2=82+1-7=70+4-8=82+6-6=50+6-7=70-2-6=33-5-6=69-3-4=30-9-5=13-3-5=72-40+4 =73-40+ 16 =64-30+8 =82-30+20 =88-

7、30+ 13 =83-10+4 =90-70+2 =66-40+7 =90-80-6 =73-30+ 14 =70-50+9 =67-20+8 =80-40- 18 =50-20+ 19 =90-30+8 =80-30+ 15 =67-10+ 19 =50-30+ 18 =80-60- 13 =60-50- 13 =78-60+ 16 =70-40- 18 =63-50+ 18 =84-40+8 =90-80 =80-20 =20+20 =84- 10 =90-70 =10+ 10 =92-30 =40- 10 =30+40 =77-60 =67-50 =50-20 =10+40 =40+40

8、 =74-50 =60-50 =80-30 =40+40 =90-70 =20+ 10 =20+20 =20- 10 =90-80 =60-40 =38+1 =23+2 =40-9 =86+5 =74+3 =82+9 =86+2 =85-6 =49+3 =37-7 =87+2 =43+4 =12+1 =44-8 =68+8 =83+4 =74+9 =30+6 =88-2 =34-1 =16+9 =37+5 =89-9 =67+1 =70-50 =90-8 =32-4-8=80-70+ 14 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全38+4-7=10-9-6=57-7-3=73+4-2=33+1-1

9、=10+71 =25+4-3=28+2-7=69-6-5=47-1-8=46-5-9=36+9-7=38-4-1 =60+1-3=76+9-4=24-3-9=63-5-5=16+5-3=12-5-9=55+7-9=65+8-7=33+5-1 =54+8-4=44-6-1 =41-7-1 =70-30+5 =90-80+4 =90-80- 15 =63-10+ 19 =90-80-6 =68-60+8 =90-80+7 =90-80- 13 =80-20-9 =60-40-4 =60-50+ 15 =80-70- 14 =75-30+20 =88-50+ 11 =67-20+7 =90-40-

10、1 =71-10+9 =60-50- 11 =73-60+8 =70-40- 11 =70-10+2 =60-30+ 10 =79-40+ 14 =86-40+ 11 =60-40+ 1 =61-40 =80-30 =70-40 =65-30 =10+30 =30+ 10 =10+20 =50+30 =70-10 =20+20 =86-10 =20+40 =79-60 =20+ 10 =70-10 =83-50 =40+ 10 =10+40 =30+40 =90-40 =70-50 =90-50 =40- 10 =90-50 =50+30 =64+6 =34-4 =46-9 =86+9 =74

11、+4 =79+9 =13-9 =28+6 =61 + 6 =42+4 =66-3 =44-6 =24-7 =87+3 =71-7 =90+8 =21 + 3 =64+1 =27+9 =77-8 =66+3 =49+1 =85+5 =26-9 =17-9 =63+9-3= 86-4-5= 63-5-8= 25+1-3= 74+8-3= 40+3-4= 51 + 8-5= 47+2-4= 20+8-7= 49+7-5= 11 + 3-2 = 40+2-8= 42-7-1 = 83-7-5= 85+9-4= 83-5-1 = 76-7-2= 86-6-2= 81 + 6-1 = 36-5-3= 37

12、+8-6= 43-4-9= 44+5-4= 28+4-1 = 49+7-2=81-40+ 15 =63-20+9 =79-10+6 =80-60+ 11 =89-60+7 =90-80- 12 =78-60+ 12 =60-20+7 =60-50+6 =60-50+8 =65-10+ 14 =90-40+8 =90-40+ 10 =90-60+5 =65-20+20 =70-10-6 =61-60+9 =76-30+3 =88-20+9 =80-30- 16 =85-40+ 17 =81-60+6 =63-50+ 15 =90-80+8 =67-50+ 16 =80-60 =80-50 =80

13、-30 =30-10 =98-60 =40-20 =90-40 =40+40 =70-50 =90-80 =10+ 10 =90-40 =90-30 =40+20 =30+ 10 =82-20 =64-50 =90-20 =86-30 =20+40 =20+40 =90-60 =98-30 =10+20 =72-30 =21 + 7 =24-8 =87-0 =86-8 =82+7 =24-4 =80-9 =18-4 =55+9 =32+3 =11-9 =24-8 =38+1 =55-3 =11 + 5 =51-9 =91-2 =74-6 =75-0 =89-0 =53-2 =48-3 =12-

14、5 =55+1 =46-1 =40+8-2=69+2-6=75+4-7=47+9-2=24-3-9=34+3-1 =53+4-2=43+3-5=50-2-1 =77-4-7=76-5-9=67+2-9=60+5-4=33+6-8=34-3-6=54+8-3=90-2-8=30+1-5=60+4-4=80-2-7=72+3-8=20-3-5=54-7-7=15-4-3=72+2-7=90-80+2 =67-30+3 =40-20+ 1 =70-10+ 10 =90-80-9 =64-60+ 13 =40-20+5 =80-20+ 14 =82-30+ 18 =83-40+ 11 =60-30-

15、19 =86-30+ 12 =82-10+11 =72-30+20 =90-10+6 =75-50+9 =76-20+ 1 =80-60-3 =84-30+ 12 =89-20+ 15 =61-10+ 15 =87-50+20 =80-10+ 12 =80-30+ 1 =80-70-5 =90-70 =60-50 =30+30 =60-30 =40+ 10 =71-20 =60-40 =86-60 =30+30 =80-30 =90-80 =72-60 =75-40 =86-20 =80-30 =20+40 =50+40 =65-10 =79-20 =20+20 =95-50 =80-70 =

16、81-20 =20+30 =80-20 =66-5 =47-3 =81-0 =52-1 =16-4 =72-1 =75-6 =58+3 =31-7 =69-8 =68-7 =23-3 =41 + 3 =53+4 =17+8 =32-7 =20+2 =41-9 =23+6 =56-5 =91-1 =43+1 =99-4 =29-3 =52+6 =31 + 9-7= 81-6-4= 35-1-8= 50+2-7=51 + 2-9= 49-3-9= 25-1-7= 60+6-1 = 74+6-6= 50+1-9= 87+2-7= 90-3-5= 35+5-4= 59+9-5= 23+6-1 = 26

17、-5-7= 25+8-5= 45-9-5= 54+5-1 = 85-3-4= 39-7-3= 14-6-2= 51-3-1 = 73-4-6= 74+5-5=77-50+4 =90-30- 11 =67-60+ 16 =90-80-4 =73-40+ 19 =90-60- 13 =30-20- 1 =75-50+ 19 =66-20+7 =90-60-5 =68-40+ 18 =80-60+6 =61-10+1 =90-70- 13 =63-60+ 1 =50-40+ 12 =70-30- 11 =79-40+ 16 =76-50+2 =60-10+8 =86-20+ 16 =80-40+2

18、=80-30+ 13 =63-60+ 13 =60-50-6 =50-40 =50-20 =60-30 =94-20 =30+20 =90-50 =90-10 =40+30 =60-40 =90-80 =80-30 =60-50 =81-60 =20+30 =70-50 =97-20 =40+30 =70-50 =61-20 =80-50 =20+40 =80-30 =76-30 =93-60 =60-30 =82-4 =94-7 =19+8 =64+3 =83+6 =53-3 =14-5 =41-4 =87+9 =79+1 =56+1 =90+3 =85+7 =37+9 =73-5 =35+

19、4 =88+9 =69-9 =21 + 3 =62-0 =80-6 =68-0 =92-2 =42-6 =40+2 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全68-20+ 18 =50-10+ 13 =85-10+5 =82-40+4 =84-10+ 12 =90-80+ 19 =60-40- 1 =86-40+8 =80-70+5 =20-10+9 =70-40+ 11 =80-70+ 18 =50-30- 12 =60-50- 16 =83-10+11 =73-40+6 =80-70+3 =62-20+ 12 =90-70+7 =90-80+ 19 =88-20+ 1 =90-70-8 =80-5

20、0- 18 =80-30- 12 =50-20 =67-40 =50+20 =90-70 =90-80 =93-20 =50+30 =20+ 10 =83-50 =10+30 =70-10 =68-50 =60-10 =50+20 =30+40 =90-10 =40+ 10 =30+40 =40+30 =50+40 =60-40 =66-50 =60-50 =75-20 =60-50 =14+2 =88-6 =33-7 =35+4 =72-4 =35-7 =29+2 =67+3 =18-7 =45+2 =79+3 =46-8 =37+2 =12+3 =61-9 =35+3 =71-8 =29-

21、7 =47+6 =28+9 =80-9 =57-3 =70+7 =61 + 2 =34+6-4= 23+2-2= 12-6-4=86-4-7=79+7-8=48-9-5=32+3-3=63+4-5=51-2-7=38+4-8=51-8-5=29+7-3= 42-3-1 = 44-3-6= 64-5-4= 17+2-8= 18+8-1 = 73-6-7= 74-1-7= 43+1-6= 21 + 3-3= 21 + 4-1 = 14-2-9= 70+6-1 = 42+5-8=73+4 =60-30+13 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全13+8-6=42+8-9=46-3-6=58+1-7=6

22、9-3-8=11-7-7 = 77+8-8=62+1-1 =11-2-4 =11-4-6 =38-5-5=24-4-2=89-2-9=27-9-7=74-4-5=81 + 6-4= 82+7-3=20-2-8=82-2-3=50-6-6=44-8-5=46-3-4=30+6-9=45+4-6=80+3-9=74-50+4 =62-30+7 =90-20- 14 =90-80- 19 =50-20-4 =70-50+9 =84-60+ 14 =86-20+ 11 =30-20- 18 =40-30- 14 =66-20+20 =70-30+6 =79-50+8 =89-10+20 =90-60+

23、 18 =90-60-8 =90-60-2 =81-60+ 18 =90-40-5 =65-20+3 =85-20+ 19 =90-70- 1 =81-50+11 =81-50+ 14 =66-10+7 =80-40 =90-80 =20+ 10 =80-30 =78-50 =88-30 =72-20 =90-70 =80-70 =40+ 10 =70-40 =91-30 =50-40 =70-30 =90-70 =65-40 =50-20 =80-50 =30+ 10 =40+ 10 =10+20 =50+30 =74-40 =40+ 10 =90-80 =86+3 =53-0 =37+6

24、=38+3 =43-5 =69-6 =77-1 =70+1 =55-1 =49-9 =59+3 =87+4 =51-8 =81 + 6 =96-6 =57+4 =14+7 =43-7 =86-9 =65-4 =69-0 =35+2 =44-1 =15+3 =49-4 =64-5-2= 19+1-9= 73-7-5=31 + 1-4= 45+7-4= 65+5-1 = 17-1-9= 30+4-7= 24+8-1 = 23-7-7= 45+6-8= 89-1-9= 13-4-2= 55-3-2= 40+2-8= 22-3-9= 47-5-5= 49-6-1 = 47+9-9= 89+5-5= 7

25、3+1-5= 71 + 6-5= 26+1-7= 83-5-9= 27+5-1 =50-10- 15 =62-40+ 17 =90-70+ 17 =90-70+3 =90-70+ 19 =90-30+ 16 =80-10+5 =82-30+20 =63-50+ 13 =40-30- 16 =88-40+ 18 =80-70+2 =80-20- 17 =73-10+2 =82-60+2 =65-40+ 17 =60-10+ 15 =60-50+ 1 =68-40+ 15 =20-10+11 =90-50+ 1 =80-60+ 14 =40-10- 14 =71-20+8 =62-20+ 11 =

26、70-60 =92- 10 =40+ 10 =61-50 =20+30 =40-30 =30+20 =80-20 =10+20 =90-70 =30-20 =74-30 =30-20 =91-60 =82-50 =10+ 10 =90-50 =80-60 =96-40 =40+20 =91-10 =50+30 =89-20 =61-40 =90-40 =64+3 =26+6 =22+9 =66-1 =91-7 =46+7 =40+7 =12+7 =66+5 =17-9 =33+8 =34-8 =76+4 =57-8 =41 + 9 =80+4 =26-8 =88-9 =34-6 =21 + 7

27、 =19+8 =12+2 =90-2 =95-1 =14+6 =64-60 =89+3 =66+9-9=62-60+ 16 =80-70 =72-3 =70-7-8=90-50- 14 =84- 10 =28-7 =80+5-8=60-40-4 =99-20 =63-1 =65+9-7=87-20+4 =40+40 =69-2 =90+1-3=70-60+ 15 =30+20 =95-2 =21-2-2=84-30+7 =92- 10 =95-4 =38-8-2=71-50+ 12 =60-50 =62+3 =24+8-5=90-30-6 =50+20 =43-7 =49-7-1 =77-60

28、+8 =10+40 =25+1 =74-3-4=60-50- 16 =70-50 =54-2 =33-5-6=30-10-7 =30+20 =54+2 =55-4-2=80-20- 15 =70-50 =71-9 =59-4-6=50-10-4 =40+20 =57-4 =53+4-3=73-20+ 16 =75-40 =43-5 =48-9-7=90-80+ 13 =80-30 =45-7 =25+7-6=75-50+20 =20+ 10 =76+4 =43+7-1 =80-40-2 =40+20 =54-5 =60+9-1 =68-20+ 11 =76-40 =46+4 =73-8-2=7

29、9-20+ 15 =30+30 =78+1 =33-7-5=90-60-9 =40+ 10 =64-4 =80-7-3=70-60-2 =95-60 =85-9 =46-4-4=81-40+ 18 =75-40 =80+5 =26-8-9=40-20+ 14 =81-20 =73+2 =45-5-3=90-80+6 =61-20 =40-6 =18-6-2=86-60+9 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全78 41 = 76+39= 90+54= 68+1 6= 7528= 651 5= 51 + 37= 2367= 3023= 221 3= 481 3=1547= 7779=21 25=

30、5898= 34+94= 78+1 2= 90+73= 13+24= 26+64=74+23= 15+97= 1929= 42+24=64-10+5 =64-50+4 =67-60+20 =81-30+ 13 =60-30-6 =83-40+20 =77-40+2 =70-60+7 =70-60+ 14 =90-70- 18 =90-20-9 =80-50+ 18 =61-20+3 =66-20+3 =89-50+ 17 =78-40+ 11 =80-70+ 10 =90-80+ 13 =69-10+3 =85-60+7 =80-40-5 =82-40+ 10 =76-30+7 =30-10+

31、5 =20- 10 =6860 =9240 =7020 =8060 =83-10 =63-10 =68-20 =40 - 10 =40+ 10 =90-60 =98-20 =60-10 =92-20 =50+ 10 =81-10 =30+40 =69-20 =30-10 =70-50 =10+30 =50+ 10 =30+30 =75-30 =41 + 2 =17+4 =14-2 =74-0 =97-6 =12+2 =29+6 =74-7 =11 + 9 =37+3 =87+4 =40+4 =18+5 =25-8 =45-2 =41 + 2 =79+3 =54+6 =49+8 =37-2 =7

32、3-0 =48+7 =26-2 =45+3 =75-40 =49+3 =721 9=76-10+ 19 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全74+2-4=73+5-3=77+4-6=63-4-3=17+5-2=19-5-8=76+4-3=32-2-2=17+5-9=17-2-8=89+1-6=63-4-1 =80-4-8=42+7-8=27+1-6=72+6-4=76+1-4=67+2-7=68-3-1 =84+9-7=66-1-7=55-5-3=17+7-1 =69+6-7=40-10+6 =69-10+ 15 =30-20- 12 =73-10+ 12 =64-50+ 10 =75-20+3

33、 =85-60+ 14 =82-30+7 =62-30+ 16 =79-60+ 16 =68-50+ 16 =84-10+ 14 =67-10+3 =80-60- 12 =66-60+ 11 =75-50+3 =70-60- 18 =71-10+ 18 =90-50+ 11 =72-10+11 =90-80- 18 =70-50+3 =60-50- 18 =71-50+ 16 =90-70 =83-50 =94-20 =90-80 =88-40 =63-40 =70-10 =77-30 =20+40 =20+30 =89-50 =95-50 =90-80 =90-60 =99-30 =99-1

34、0 =10+ 10 =10+30 =50+ 10 =68-40 =30+20 =80-70 =20+30 =20- 10 =46+8 =57+6 =97-5 =90-2 =62-1 =19-5 =89+2 =25+6 =20-6 =59-3 =26-1 =50+5 =15-1 =12+3 =20-7 =50-6 =29-9 =25+3 =92-3 =88-0 =74-8 =11 + 7 =23-4 =35-5 =80-40 =88-5 =65+5-7=88-20+ 19 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全53-6-1 = 44+9-8= 58+2-5=85+8-5= 15+1-4=57-8-7

35、= 20-8-9= 15-8-5= 30-5-4= 58-6-2= 33+8-9= 24+5-6= 24+9-3= 31-9-7= 24-1-8=19+1-1 = 47-3-6=11-3-8 = 18-3-1 =76-9-6= 70-9-2= 59-5-3= 61-2-9= 75+6-8= 67+2-1 =73-20+4 =80-20+ 15 =61-50+11 =66-10+3 =87-20+3 =90-60+ 14 =90-70+6 =90-70+ 11 =60-10-7 =70-60- 16 =50-40+9 =76-50+7 =71-20+7 =90-70- 12 =90-50+ 1

36、=60-50+ 12 =90-70- 19 =90-60-7 =90-30+2 =77-60+6 =90-20+ 12 =40-20+ 10 =88-40+ 13 =78-30+6 =76-40+9 =10+20 =30+40 =69-60 =50+ 10 =20+30 =90-70 =50+30 =30+ 10 =80-70 =50+30 =90-10 =10+20 =60-40 =99-60 =75-50 =80-20 =61-60 =87-50 =40+ 10 =80-30 =40+30 =61-60 =90-80 =30+ 10 =30+ 10 =41 + 6 =14+2 =68+4

37、=53+1 =74+3 =93-4 =43-4 =26+5 =81-4 =84-1 =90-1 =59+3 =12-2 =60+5 =24-4 =89-5 =61 + 6 =77-6 =86+7 =44+4 =83+3 =33-0 =29+8 =20+5 =36+6 =82+3-7=56-7-8=34+7-9=65-2-6=52+7-3=66-9-6=58-6-2=11-4-1 =17-1-2=63-5-8=47+2-3=64+9-5=67+3-5=86+5-4=87+2-2=39-9-9=46-1-2=83-6-3=13-4-4=23+5-5=26-6-2=87-9-9=82-7-2=81

38、+ 1-4=31-5-5=70-10+4 =79-10+ 16 =80-60+ 12 =90-60- 16 =74-20+ 10 =90-20+8 =72-10+1 =80-30-4 =40-30- 13 =83-60+20 =70-60+ 14 =70-20-2 =77-40+7 =75-30+ 11 =61-30+ 18 =80-50+ 1 =50-20+7 =70-60- 13 =79-30+ 10 =90-80+ 12 =67-60+ 18 =90-80- 10 =73-20+ 10 =81-40+ 18 =69-40+ 13 =74-50 =20+30 =76- 10 =60-30

39、=78-40 =10+30 =40+20 =20+20 =40+40 =90-70 =72-30 =30-20 =84-40 =80-20 =50+20 =90-80 =64-50 =80-60 =50+30 =10+20 =40+40 =80-20 =50+ 10 =91-10 =90-80 =88-0 =64-2 =52+8 =80+5 =22-7 =38-1 =28-6 =17+3 =50-3 =12-8 =61-3 =43+7 =77-0 =89+7 =63-9 =14+3 =64-6 =75+4 =11-5 =85-4 =87+2 =84+6 =12+1 =16-9 =50+8 =5

40、4-8-2=53+1-5=23-8-7= 85-5-9= 10-5-5= 13-4-9= 34-9-4= 39-6-7=21 + 7-5= 49-8-7= 34-1-2= 44-9-1 = 43+9-6= 15-9-8= 47+5-2= 16+4-3= 17-7-9= 52-4-4= 75+9-4= 27-6-9= 21-9-8= 76-2-3= 43+9-1 = 19-7-8= 19-6-7=90-80-6 =61-10+ 17 =90-70- 12 =84-60+ 18 =40-10-8 =87-50+20 =62-20+4 =80-70-6 =80-70+ 15 =70-60+ 10 =

41、82-40+ 12 =80-10-1 =80-40- 12 =60-30+ 12 =82-10+ 15 =82-40+ 18 =60-50+ 12 =86-20+ 18 =80-70+5 =80-50+8 =80-30-8 =73-10+ 17 =50-30+7 =68-30+ 18 =75-10+ 13 =40+20 =90-70 =80-70 =80-30 =50-40 =70-50 =64- 10 =90-80 =30-20 =30+30 =70-50 =89-50 =60-50 =30+40 =20+ 10 =80-10 =50-40 =83-20 =80-60 =90-80 =90-

42、80 =90-40 =50-30 =90-70 =90-60 =71 + 2 =98-6 =52+3 =83+6 =77+8 =71-1 =61 + 7 =92-4 =30+5 =59+8 =43-4 =70-3 =97-0 =44+8 =15-4 =87-6 =89-9 =55-1 =23+8 =15-6 =45-8 =26-2 =30-6 =62-0 =29+7 =41 + 5-3= 90+2-6= 42+1-3= 71 + 6-1 = 63+4-9= 10-7-4= 47+5-4= 82+1-2= 76-9-1 = 63-1-5= 41 + 6-7= 53+8-8= 47+2-8 = 8

43、9+4-3= 30-9-9= 28+3-2= 57+1-7= 54+4-6= 33+8-1 = 34-1-2= 67+8-5= 88+1-6= 25-1-1 = 20-2-3= 39+4-9=50-40+ 12 =88-20+ 18 =90-50-8 =90-80+ 15 =73-10+ 12 =90-80-9 =90-80-7 =90-60- 12 =70-40+ 1 =80-70- 12 =62-40+ 11 =88-30+6 =74-40+ 11 =68-50+5 =70-10- 12 =60-20-2 =90-60-8 =73-20+9 =60-40+6 =70-60+4 =74-60

44、+ 14 =85-40+3 =73-40+ 18 =60-10+7 =66-10+2 =70-60 =62-40 =72-30 =50+ 10 =77-40 =90-50 =10+ 10 =30+40 =50+40 =20+40 =50-10 =80-60 =60-10 =50+40 =30+ 10 =50+40 =67-10 =90-80 =40+ 10 =77-60 =61-60 =30+20 =20- 10 =65-40 =10+20 =74-6 =28-9 =61-3 =34+1 =69+4 =72-9 =33-6 =88-2 =41 + 2 =40+7 =82+2 =55-2 =29

45、+6 =36-7 =30-1 =53-5 =41 + 3 =50-4 =40-8 =31-9 =51 + 1 =12-0 =74+4 =76-4 =60+2 =49+2-6= 56+1-1 = 25-6-6= 39-7-8= 56-8-7= 17+7-4= 67+7-9= 18-4-9= 40-7-4= 76-2-1 = 44+6-7= 62-6-5= 51 + 6-8= 55-5-9= 85+9-6= 78-9-4= 44-3-8= 25+5-6= 31-5-8= 79-3-1 = 29+3-2= 29+4-6= 79-1-9=11 + 6-2 = 82-7-2=68-10+ 17 =80-

46、20- 17 =70-20+7 =87-50+ 16 =50-20+5 =85-20+ 13 =50-40+ 13 =63-60+ 14 =60-50+ 13 =50-30+6 =90-70-9 =80-60+ 18 =67-60+ 15 =80-30+ 15 =90-50- 12 =77-40+5 =76-20+20 =89-60+ 16 =74-40+ 19 =86-30+ 14 =60-40+ 1 =40-20- 12 =90-60- 16 =63-30+6 =90-70+5 =10+20 =68-50 =72-20 =68-40 =40+ 10 =87-30 =10+40 =80-70

47、 =30+40 =90-60 =10+ 10 =65-20 =64-40 =75-60 =96-40 =70-20 =88-30 =63-40 =66-30 =30+30 =20+40 =80-70 =30+ 10 =40+30 =40+20 =78-4 =40+8 =32+4 =67+5 =38+7 =48-3 =86-7 =55+4 =75+5 =42+4 =48-2 =49-5 =66-1 =42+4 =18+2 =57-5 =79+7 =20-2 =48-9 =77+8 =68-1 =17-5 =86+2 =77-2 =60+8 =小學(xué)一年級(jí)數(shù)學(xué)下冊(cè)口算練習(xí)題大全53-8-7= 54+

48、1-9= 13-4-6=53+8-1 = 85+6-2= 71-4-4= 88+3-1 = 42-5-1 = 29-7-6= 89-6-1 = 48+8-3= 53-2-3= 90-2-6= 69-4-5= 72+5-1 = 61-6-3= 63-4-3= 11+1-3 = 32+9-8= 24-5-1 = 19-3-5= 70+5-8= 61-6-1 =11 + 3-1 = 72+7-5=73-60+3 =90-80- 16 =86-30+ 13 =63-60+ 16 =90-50+ 15 =66-50+ 19 =90-70+5 =84-20+ 16 =86-50+9 =90-70-5 =70-10+8 =90-80+ 13 =83-10+ 15 =70-40+ 16 =50-40- 19 =90-40+ 15 =82-10+ 13 =70-10+6 =90-10-11 =80-60+ 15 =90-20+5 =84-30+ 1 =79-40+5 =80-70+ 11 =62-10+4 =10+ 10 =75- 10 =50+20 =9