新蘇教版四年級上冊口算及計算題專項練習(xí)

1、新蘇教版四年級上冊口算及計算題專項練習(xí)一、口算。180 - 20=70-10=300320 - 40 =100-20 =75- 5 =320 - 80 =140-20 =630 - 70 =320 - 40 =450 - 90 =80- 4 =84 - 7 =800 - 8 =360 - 60 =720 - 80 =2X 45 =92 - 2 =51 - 3 =800 X 5 =50 X 40 =7090=350 - 70 =630- 90 =160 - 40 =120 - 60 =90X 6=720 - 90 =480 - 80 =560 - 70 =120 - 6 =270 - 3 =90

2、 - 5 =4 X 120=200- 40 =300- 60 =560- 8 =480 - 80 =6X 120=800X 5=364=十60 =720 - 90 =200 - 50 =4X 23=100-50 =80-40 =280 - 70 =64 - 4 =420 - 60 =450 - 9 =600 - 2 =15 X 6=75 - 5 =80 - 20 =150 - 50 =630 - 70 =900 - 3 =42 - 3 =630 - 9 =30060=1 / 10357 十 50 =265-80 =425 十 30425 - 50350 - 40 =54280- 40 =85

3、- 40 =120-40 =114-30 =99- 20 =510 - 90 =5 / 10960 - 30 =859700 - 50 =324324 - 60 =456456 - 50 =455255 十 40=87- 30 =820 - 40=624- 80 =818 -60=97- 23 =85- 38=334- 41 =240 - 57=192- 39 =510-87=265- 59 =510 -82=265- 53 =318 -53=378- 33 =279 十 31 =727- 27 =208 - 38=868- 62 =324 - 79=455- 91 =370 - 52=435

4、- 35 =272 - 34=88- 23 =7 / 1067- 24 =156-32 =245十 31 =260-43 =# / 10300 - 53 =25281 - 27 =80315-39 =9290- 23 =250260 - 44=330- 42 =242 十 63=309- 53 =92 - 31 =430- 62 =220 - 74=405- 83 =73- 26=83- 26 =322312-46 =9 / 10342 十 57 =342-58 =256 - 34 =140-18 =11 / 10266 - 38 =315192-27 =198634 - 79 =300540 - 67 =256256 十 34 =140-18 =108- 18 =144-24 =358 - 52 =216-36524 - 87 =182-21