10000道小學(xué)二年級上冊數(shù)學(xué)口算題

7X4+7二9X8+8二6X7+4二64+5X5二

8X9+28二8X6+8二56-2X2=42+2X1=

22+7X5二9B-4X9=91+3X2=26+4X1=

59-3X1=69-3X8=8X3+24二

26-4X2=55+8X1=8X8+13二47-4X8=

41-5X5=7+3X8=46-3X5=44-5X7=

3X5+15=94-5X9=47-5X7=52+4X6=

47-4X4二21+7X5二34-1X7=7X8+32二

57+5X2二30-1X7二7X1+84二79-2X3二

2X5+10二99-2X1二73-6X9二9X3+49二

72-4X3二77-2X8=5X7+62=6X6+39=

2X8+4二51-2X9=67+3X9二2X8+79二

3X1+78=29-3X9=64-4X5=5X6+66=

5X6+2=92-5X4二9X9+21二90-3X1=

9X5+39二27-3X4=54-6X7=53-4X3=

-

668X4-2X3+19二78+7X仁58-6X4二

9X7+5二51-2X8=44-5X1=4X1+30=

8X7+14=5X5+10=6X8+35二94-2X6二

30-5X3二5+7X3=38-2X7二4+5X8=

7X6+15=50-2X7=85-9X5=37+3X1=

4X4+63=39-3X9=8X8+51二6X1+7=

23-2X9二2X1+67二74-9X5二92-9X7=

70-7X5二6X9+22二32-2X5二4X2+4=

51-9X5=8+7X9=6X4+49二80+2X4=

81-1X5=11+8X9=87-9X4=3X8+18=

58+4X5=6B-2X9=3X7+17=74-2X4=

30-5X1=37+1X3=37-2X3二82-7X1=

8X9+46=9X5+44=47-6X1=47-4X1=

7X3+64=9+1X1=42-6X1=1X2+35=

44-6X7二99-2X2=21-2X6=4X1+64二

3X4+62二21-6X1=9X9+10二9+3X4=

93-4X7二42-2X9二7X8+30二69+2X9二

15-5X3=1X5+12二97-2X6二

69-3X6二7B-6X6二7X4+19二78-7X2二

53-1X2二1X7+5二81-2X9=86-9X3二

39+4X8二32-9X3二85-9X9二8X9+49二

2X2+31=9X4+31二33+8X7=98-8X8=

4X6+27二4X8+31二7X6+23二3X8+3二

12-4X2=86-4X2=92-2X8=85+6X2=

55-2X2-63+9X4=9X9+72二

44+5X1=34+3X8二83-4X3二62-4X仁

53-8X6=8+2X5二6X1+54=9X6+50=

9X4+35二54+5X3=29-2X7=7X8+10=

39-4X4=48+3X9二52+1X2=30+8X1=

6X8+12=37-7X2=43-3X8二68-6X2二

20+9X3=20-2X8=9X4+5二42-7X2=

19-6X2二41-8X3=11+8X6=

7X6+5=4X7+45二3X7+2二4X3+10=

1X9+72=95-1X9二11+9X9=71-7X2=

6X7+20=1X4+70=43+3X5=8X4+12=

48-4X5=8X7+48二87-8X9=18-2X4=

7X1+2=8X8+59二78-4X3二32-2X7二

5X2+52二7X7+38二67-7X7二26+9X6=

8+4X6二77-2X1二5X7+32二

13-9X1=68-5X7=7X8+28二83-3X6二

75-2X9二79-5X3二5X8+6二99-9X2二

75-2X5二3X1+2二87-4X8=26-2X8二

16+9X6二8X9+31二3X5+82二56+6X1=

54-1X8=6X5+13二9X7+51=8X7+54=

9X6+7二1X7+64二35-3X5二65+3X2二

77+2X1=73-6X4=8X6+46二70-9X6二

8X6+33=70-9X3二36-4X9二50+5X6二

6X9+49二7X9+51二22-1X4二89-8X8二

49-4X3=77-7X6=67+4X1=81-4X8=

43+2X5=77-9X7=59-7X3=98-8X9=

50-7X1=68-3X7二8X8+39二6X5+58=167

X5二69-6X2=74-5X6二74+2X8二

5X3+5二32-2X4=14-2X3=7X4+2=

4X5+69二12-1X6二77+3X4=72+2X8二

9X4+36二18+4X5=51+6X2=50+8X4=

37+5X9=1B+9X3=83-2X8二74+9X2=

34+3X5=4X5+28=7X5+12=

2X3+51=69-2X7=73-3X9=89-1X4=

3X7+79二5X1+67二4X5+7二61-7X1=

13+5X7二97-7X1二17-5X1=74-4X5二

9X4+6二81-8X9二55+6X4=6X8+14二

34-3X3=17+1X4二5X9+47=47-8X4=

3X4+69二26-7X1二30+1X9=8X3+21二

92-4X3二82-7X5=30+4X6=11-3X3二

27-3X7=9X5+37二1X4+56二30+8X3二

85-7X5=63-9X4=3X7+43二15-2X4=

4X7+28二9X2+64二5X8+2二26-2X4二

6X3+50=9X6+14=39+8X6二7X7+49二

71-4X9=29-2X3二78-8X6二68-8X6二

51-2X6=2X1+60二93-1X9二96-2X1=

3X1+92=8X7+9二30+3X2=3X4+15=

22-5X2=55-5X9=96-3X7=

6X6+6—3X6+46二9X1+62二6X6+21二

7X7+12二69-9X3二11+1X1=2X1+28=

44-6X3二9X4+24二60-3X7=63-3X3二

28-1X3=3X8+14二48-8X5=55-6X6二

4X9+23=28+3X1二2X3+40=49-7X5二

2X6+50=94-2X8=6+4X4=68-3X3=

32-6X5=60+6X5=88+3X3=47+2X2=

4X1+28=24+2X7=8X9+20二1X3+90=

41-2X9=85+7X仁1X6+38二61-6X4=

24+5X2二7+6X9二1X2+62二19+8X1二

59-1X9二5X6+12二80-1X2=5X5+17=

3X1+95=66-4X3=61-1X8=29-7X3=

66-5X7二3X2+6二8X5+23二16-4X3二

3X6+22=7X5+9二44+7X5=43-7X4=

43-1X7二65-2X6二9X6+37二77-9X2=

4X5+19=73-7X6=82-1X9二92+1X7=

5+2X2二20-2X3二2X7+61二3X3+5二

67-2X5二95-8X8=4X9+8二8X4+6二

27+3X7=85-9X4=33+6X6=65-4X8二

24-2X9二25-1X7二6X3+23二77-3X4=

28-3X7=83+2X7=70+3X3=97-6X8二

41-1X5二6X8+52=34-8X2=11-2X5=

71-4X3=1X6+3=5X1+90=

20-6X3二39-8X3二87-2X3二

4X2+78二9X7+10=75-3X3二

84+1X2=36-4X仁43-4X9=3X2+6=

41-1X7=8X8+42=4+3X1=33-7X4二

9X7+45=41-2X7=66-5X2=24+7X6=

87-2X8=6+2X3=6X2+79=7X8+13=

3X8+23二59-3X9=9X7+14=8X9+12=

3X6+79二9X6+30二9X9+5二49+1X4二

9+6X9二60+5X7二95-8X6=

57-6X5二8X6+39二4X5+14二5X8+15二

11+8X2=48-3X9=5X7+3二6+8X4二

58+2X4二8X8+28二7X9+13二6X3+70二

3X9+41=52+6X4=91-2X3=2X2+13二

89-2X1=6X5+23二5X9+44二14-1義8二

41-3X3=43-5X8=17+8X6=6X4+10=

8X7+33二91-5X1=62-9X1=74+5X2二

1X6+36=62-4X3=74-2X6二8X8+36二

24+4X6=50-2X3二87-3X1=89-5X2-

22+6X1=85+4X2二2X7+74二57-8X5二

43+1X3=1X4+88=59+3X8二3X6+47二

1X1+61=50-6X6=3X9+61=6X3+60=

6X7+10=2X5+41二60-3X5二6X7+4二

8X8+57二57-9X2=87-5X3二

44-2X9=26-2X6二54-3X4=19+5X1=

3X7+4二81-2X2二30+6X4=36-2X5二

67-7X2=1X1+67=9X8+26二89-7X6二

63-6X9二5B-1X3=4X6+63二69+5X3=

56-9X5=79-4X8=88-5X6=9X4+4=

7X6+19=91-2X6=66-4X2=18+9X4=

8X1+65二26+6X仁87-6X5=77-8X1=

3X4+75二68-8X8二4X8+24二65-5X7=

6X7+11=1X4+8二5X2+16二27+8X4二

46+3X5=7X1+63=6X3+20二56+5X3二

9X6+26二1X9+62二9X9+19=65-8X6二

52+5X6=90-9X2=23+8X8=7X4+18二

4X4+8=35+2X2二65-7X4二5X8+23二

99-6X9=11+9X7=81-5X6=5X5+22二

7X8+53二2X9+82二4X2+22二

96-2X9二8B-1X5=89-8X7=48-5X4=

1X3+70=40-5X8二39-2X7=85-2X9=

26-3X1=73+6X1二8X2+9=10+9X2=

5+9X8二63+2X7=20-3X2=96-3X8二

83-2X9二9X6+32=5X7+25二7X6+28=

94-8X9二74-5X2二3X5+10二8X9+7=

57-8X2=90+2X4二2X9+41二71-6X3=

15-2X7=71+1X9=34-9X3=9X9+78二

81+9X2=22+3X2=5X6+11=59+1X4=

7X5+25=19-4X1=7X1+10=4X6+19=

12+8X3=74-5X5=30-1X4=60-2X6=

4X5+19=13+3X3=87-1X2=49+5X8=

82-4X5=11-9X1=8X9+7二20+6X5=

98-3X2=8X9+71二99-9X5二

96-1X5=90-7X2=34-1X5二65-6X6=

3X4+37二66+6X5二9X2+39二60-8X5二

9X4+22=29-2X9=11-2X3=7X6+29=

94-9X8二14-1X2=37+2X9二83-2X6二

3X1+40=83-8X5=76-8X2=94-1X7二

47+2X6二78+2X7=81-8X1=74+1X3=

59-2X6=5X2+20二49+7X3=

4X5+42二1X9+5二1X6+2二62-2X5二

18+6X9二3X3+65二90-3X2=63+8X4=

77-7X7=66+2X3二8X9+39二75-4X7=

57-4X8二7X8+41二38-7X1=46+7X5二

8X5+37=12+7X5=89-6X6=25+2X1=

47+6X6=32-8X3=26-5X4=8X6+13=

6X3+5二42+2X8二8X9+72二62-6X2=

7X7+12二69-9X3二11+1X1=2X1+28=

44-6X3二9X4+24二60-3X7=63-3X3二

28-1X3=3X8+14二48-8X5=55-6X6二

4X9+23=28+3X1二2X3+40=49-7X5二

2X6+50=94-2X8=6+4X4=68-3X3=

32-6X5=60+6X5=88+3X3=47+2X2=

4X1+28=24+2X7=8X9+20二1X3+90=

41-2X9=85+7X仁1X6+38二61-6X4=

24+5X2二7+6X9二1X2+62二19+8X1二

59-1X9二5X6+12二80-1X2=5X5+17=

3X1+95=66-4X3=61-1X8=29-7X3=

66-5X7二3X2+6二8X5+23二16-4X3二

3X6+22=7X5+9二44+7X5=43-7X4=

43-1X7二65-2X6二9X6+37二77-9X2=

4X5+19=73-7X6=82-1X9二92+1X7=

5+2X2二20-2X3二2X7+61二3X3+5二

67-2X5二95-8X8=4X9+8二8X4+6二

27+3X7=85-9X4=33+6X6=65-4X8二

24-2X9二25-1X7二6X3+23二77-3X4=

28-3X7=83+2X7=70+3X3=97-6X8二

41-1X5二6X8+52=34-8X2=11-2X5=

71-4X3=1X6+3=5X1+90=

8X8+6仁5X5+35二65+2X7=2+8X5二

47-2X7=4X5+43二4X4+2二78-1X9二

67-7X6二1X4+45=6X5+8二1X6+86二

7X7+25=97-3X8=32-4X1=6X2+4二

65-5X2二10+7X3=35+5X6=5X1+62二

50-6X2=6X7+10=7X4+36=51+4X5=

39-5X7=42-6X5=7X9+52二

9X5+34二9X5+32二2X2+93二79+3X4二

3X2+27二6X7+36二4X9+46二6X4+60二

7X8+20二4X2+17二1X3+66二7X1+6二

51-6X2=49-4X9=85-9X1=1X3+13=

8X2+74二52-3X4=9X9+50二58-7X6二

7X7+34=7+1X3二1X7+3二4X6+28二

3X3+77=7X6+56二2X6+8二

7X8+6=2+2X1=98-4X7=21+7X8=

56+4X5二7X9+25二49-6X7=73-9X4二

73-7X7=5X7+22二72+9X1=4X6+8=

3X6+63—54+1X4二93-1X6=38+9X4二

46-9X仁89+5X1二7X4+29二7X5+51二

60-2X4=1X5+95=26+3X9=55+4X9二

43+6X1=50-6X5=48+1X2=82-6X9二

5X2+7=59-1X3二4X3+88二7X1+65二

16-1X5=69-6X2=74-5X6二74+2X8二

5X3+5二32-2X4=14-2X3=7X4+2=

4X5+69二12-1X6二77+3X4=72+2X8二

9X4+36二18+4X5=51+6X2=50+8X4=

37+5X9=1B+9X3=83-2X8二74+9X2=

34+3X5=4X5+28=7X5+12=

2X3+51=69-2X7=73-3X9=89-1X4=

3X7+79二5X1+67二4X5+7二61-7X1=

13+5X7二97-7X1二17-5X1=74-4X5二

9X4+6二81-8X9二55+6X4=6X8+14二

34-3X3=17+1X4二5X9+47=47-8X4=

3X4+69二26-7X1二30+1X9=8X3+21二

92-4X3二82-7X5=30+4X6=11-3X3二

27-3X7=9X5+37二1X4+56二30+8X3二

85-7X5=63-9X4=3X7+43二15-2X4=

4X7+28二9X2+64二5X8+2二26-2X4二

6X3+50=9X6+14=39+8X6二7X7+49二

71-4X9=29-2X3二78-8X6二68-8X6二

51-2X6=2X1+60二93-1X9二96-2X1=

3X1+92=8X7+9二30+3X2=3X4+15=

22-5X2=55-5X9=96-3X7=

6X6+6—3X6+46二9X1+62二6X6+21二

21-3X6=79-5X仁6X7+12二38+4X6二

7X8+8二7X2+26二56+1X8=65-4X1=

84-8X6二7X4+7二15+1X1=85-2X5二

9X3+64二29+2X6二8X9+68二19+8X3=

7X3+17=46-5X4=92-6X2二63+1X6=

8X8+10=2X2+84=98-3X5=20+1X8=

58+8X4=4X9+51=2X3+87二3X4+43二

87-6X2二3X6+10二4X7+35二94-3X5二

77+1X1二36-3X6二9X1+76二99-5X4=

27+4X1二40-4X8=9X3+39二7X2+75二

6X9+37=43-9X1=5X7+30=84-1義6二

1X1+96二9X3+27二56-3X3二9X2+27二

7X9+45=75+1X4=80-7X8二

79-4X4二63+1X4二3X8+11=7X6+20二

72-3X6=7X1+90=51-6X1=9X3+5二

75-4X5二54+9X4二9X8+56二1X9+8二

76+6X3=60-7X6二42+9X1=24-4X5二

5+8X6=86-7X5二3+1X3=23+1X9二

44-3X2二31-4X3=38-7X3二6X4+74二

4X8+17=29-6X1=32+1X3=

25-2X8=96-7X3=5X3+31=64-1X2=

3X2+61=23-5X1二92-2X7=34-9X1=

8X9+25二55-4X仁56-6X8二32+4X7=

13+4X3=64-5X3=28-2X1=94-2X9二

21+5X8=6X9+20=6+9X7二37+3X6二

7X3+3二5X4+60=45-9X4=84-2X5二

8X9+5二4+9X2二7X5+43=

33-1X8=85-3X3=47-6X5=2X9+2=

73+1X9二81-5X4=7X4+41=54+7X4=

42-4X4二6X6+9二46-5X9二42-5X8二

74+1X7二21+2X6二9X5+35二7X8+5二

8X1+76二75-8X3二9X2+11二81-7X7=

34-3X1=5X8+4仁59-3X6二16-2X5=

66-9X仁56-8X3二3X4+13二44+9X5二

63-5X6=8X8+5二28-3X3=5X8+14=

98-2X2=46-1X8二55-1X3=33-1X9=

5X9+16=6X5+31=8X9+35二9X6+34=

46+1X2二61+5X7=60+3X5二61-7X3=

87-186二57-4X4=20-3X6二29+3X9二

76-8X5二8X3+57二23+1X2=34+2X5二

93-5X8二34+4X8二71-2X6=75-9X1=

1X4+85=8X7+3二8X7+18=87-2X7=

66+3X3=70+3X2=78+1X9=1X9+21;

1X1+27二73-5X2二9X9+77二44-2X3二

19+6X2=26-6X仁44+1X2=93-5X5二

76-8X3=4X7+24二20-5X1=5X6+32二

98-1X2=8X8+30=94-7X5二6+7X1二

29-2X5=8X8+58=73+7X2=88+3X2=

9X3+48=2X4+12=47-3X7=42-9X3=

88-2X1=3X6+25=54-3X5=90-5X4=

33-3X7=6X9+18=50-8X2=51-8X5=

36+4X3二69-5X5二59-4X1二2X5+72二

56-7X3二67-2X3二76-8X7二34+5X5二

62+2X3二85+7X2=89+1X4二6X8+45二

8X4+3二6X2+3二7X7+40二3X1+46二

69+3X7=4X3+9二65-8X8二

29-3X5二85-6X6=57-2X3=9X6+48二

78-5X4=12+6X2=57-6X3二51-2X4=

18+6X2=43+4X7=5X2+63二4X9+19=

9X9+49二9X2+60二8X3+58二53-5X1=

63-5X8=46-3X8=13+5X5=89-6X5二

98-1X3二36+3X1=1X9+44二33-4X7=

8X3+7二7X9+2二8X1+63二

51-1X2=5X7+35=2X7+13=32+8X3二

7X5+16=3X9+27二30+2X1=95-7X2=

6X8+45二80-5X4=31-3X4=70+1X7=

6X5+9二4X7+19二63+7X3二1X8+37二

47-4X6二5X2+11=6X9+6二51-7X4=

26+5X3二1X4+25二64-1X8二37-3X2=

8X3+23=58-8X1=56-8X7=

81-6X7=68-3X8=83-9X7=42+6X6=

2+2X5=6X3+82=36-5X3=5X2+55=

93-1X2二75-1X6=5X2+86二31+3X4=

29+2X2二39+7X4=48+9X5二70-3X3二

95-5X7二3X1+97二71+5X4=28-6X3二

6X3+33二2B+6X9二77-4X3二74-3X2=

51-7X5=1X6+27二97-4X3=

55-2X7二8X5+28二64-5X8二6X6+2二

65-6X7=7X9+18=15-2X1=3X9+39二

14+3X1=7X3+61二6X2+20=5X9+3二

30+3X7=1X8+66二14+4X8=97-3X5=

71-5X3=1X1+23二3X8+6二8X4+15二

44+4X9=54-3X8=19+6X3=13+1X1=

48-7X2-8X9+13=32+8X4=40-7X4=

92-9X5二71-1X8=91-9X6=84-6X1=

72-4X9二72-2X5=55+7X1=31-5X3=

61+6X1=4X4+8二48+2X9=38-6X2=

9X8+16=59+2X9二25-3X7=2X4+38二

83-1X4=92-7X5二73-9X5二8X9+60二

34-5X3二7B-3X4=64-2X4=76-5X9二

66-4X5二6X7+38二9X1+20=84-3X7二

28+1X6二5X8+37二60-2X1=41+1X4二

55-2X1=9X6+51=1X5+76二5X4+62=

5X4+13=30+8X6=38+6X6=1X1+17=

4X3+8二7X8+7二4X1+40二41-2X8=

79-6X5二3X9+49二2+4X2=59-4X3二

4X5+5二85-5X7=46-2X7二85-5X2二

88-3X4=56-6X5二3X6+36二23-3X3二

27-1X7=68+2X4=20+7X7=7X7+32二

9X6+2二67+3X5二22+8X7=9X1+65二

4X1+3二3X4+73=58-3X5=83-5X5二

5X5+25二15+9X1=24-9X2=4X3+66二

1X9+5二9X6+29二6X6+28二37-5X3=

42+5X3二5+8X4=2X6+12二76-4X1二

25-9X2=12+8X2=25-8X3=2X3+61二

56-1X9=78-8X9二56-4X2-

8X2+73二75+2X1二85+2X7=4X6+23二

97-1X9二7X4+12=56-3X8=6X8+43二

49+4X7=40-6X3=75-3X5=64-7X3=

17+4X5二5X1+16二1X1+50=90-4X8二

74-8X4=58-2X1=4X2+41二8X5+12二

81-3X4=55-7X7=92-1X4=49+3X5=

2X9+81=4X5+6二5X3+7二

7X3+36二52-7X2=77-1X6二35+8X6二

85-8X6=72-8X9=27-2X5二58-5X9=

9X8+46=1X2+47=30+4X5=15+6X4=

46-3X1=78-6X1=83-3X8=77+7X3=

10+3X7=1B-6X2=63-8X5二87-6X3二

68+5X3二35+7X6二7X8+4二45-4X9二

74-6X7=6X2+8二9+6X4=

6+3X8二64+1X9二57+2X7=64-7X4=

47+1X6二7X3+70二4X9+11=72-9X5二

90-1X4=6X4+43=39+2X7=57-2X9二

15+4X7=71-3X4=33+5X3二79-1義9二

53-1X3二25-7X2=4X9+4二94-3X1=

32+5X2=46+8X2=5X7+41二7X4+20二

38-1X7=6X4+41=32-1X2=8X4+34二

54-2X8二9X4+15二28+9X1=9X1+4二

2X5+79二28-7X1二11-1X7=61+9X3=

47-7X5二7X3+58=57+4X9=56-5X7=

35-8X4=21-3X4=6X8+27二63-1X3二

2X6+80=54+3X5二23+9X5二17+8X3=

8X4+55二12+5X3二86-5X仁70-6X2=

11+8X4=2X6+70=73-6X8=

79-2X7;4X5+29二27-9X1=87-1X3=

7X7+9=62+3X8=86-8X2=4X6+70=

33-2X3二96-1X8二5X8+4二70-4X4=

94-7X6=89-5X7=75-5X6=93-6X8=

61-7X7=26+2X9=60-9X3=80-7X5=

9X3+10二9X2+13二65+5X5二52-4X4二

26-1X5=3X9+5二3X5+59二9X7+22二

2X2+50二4X9+23二2+3X5二41-2X4=

91-1X6二81-8X5=8X1+22二4X2+19=

2X3+50二66-5X9二52+9X5二30-2X4=

76-2X4=73+1X1=30+6X5=6X2+29=

50-5X5二9X9+71二74+6X1=39-8X2=

7X7+23二97-5X7=44+5X5=63-4X2=

46+1X7二40-1X8二3X5+71二28+1X5=

1X1+51=99-7X3=6+1X7=

34+1X3=50-8X4=83-6X7=79-7X2=

7X3+17=9X8+39二7X6+30二33-3X1=

76-8X4=20-1X4=64-2X7=62-3X7=

60~6X6=7X6+40=32+2X6=76-2X2=

6X5+5=93-6X1=24-3X6二5X1+3=

87+6X1=79-2X6二20+1X4二21+1X1二

6+8X5二5B-1X8=2X4+4二97-5X4二

54-1X7二67+2X5二43-6X1=95-7X3二

11+9X3=95-8X1二4X8+2二28-5X3=

6X3+35=50-8X5=57-8X7=6X9+33二

5X6+28=4X6+7=7X5+48=60-6X5=

9X5+23二9X9+69=10+5X2=3X7+10=

2X6+6二56+1X7=7X7+47二39-3X2=

38-1X3=66-9X3二15+1X5二

2X4+7二6X8+28二6X9+2二32-3X7=

72-9X1=61-2X9=45+7X4二27-4X6=

24-3X8二21-2X9=62+7X4=4X9+14=

45+9X4=63-2X7=76+1X8=9X9+52二

50-3X2二49-5X4二3X4+26二85-6X2=

5X2+21=30-9X1二63-9X1=24+1X5=

3X3+45二5X8+16二56-2X6二

48+2X1=94-4X1=7X2+45二71-6X9=

8X4+23二62+9X4=42+6X4二55-7X6二

68-2X2二19+6X7=4X5+36二58-5X3二

58-8X2=7X2+34=64-6X6-65-1X6=

99-8X9=4X7+37=5X3+6=6X3+5=

15+6X7=31-4X5=4X2+37二85-9X3二

8X9+69二4X4+51二5X6+38二

28-2X6二33-3X3=5X4+42二4X5+7二

54-7X1=6X3+53=7X7+47二1X3+3=

30-1X2=9B-8X4=49+7X5=90+6X1=

64+8X4=32-1X7=3X6+72=36-2X6=

52-7X7=6X3+42=94-3X6=99-2X3=

7X6+33二70+4X1=41-8X1=6+4X2=

1X4+57二2X6+11=93-8X3二32-3X5=

9X7+26二3X8+50二8X7+4二30-2X2=

95-9X9二8X2+29二4X2+72二69-8X2=

52-9X1=5X8+24二5X1+75二44+8X6=

62-2X9二91-9X9二94-4X8二70+1X5=

87-9X3二27-3X3=87-9X9=4X4+84=

16+8X5二71-3X6二50-4X5二3X7+41=

18+4X4=5X2+10二81-9X9=31+6X9=

76+4X6二6X8+24二97-2X2=75-4X2=

88-6X5二76+2X2=84-2X2=3X4+71=

57+5X7=43-8X5二2X1