1、2022 年級數(shù)學下冊專項計算題競賽知識深入練習題蘇教版班級：姓名：時間：1.用豎式計算。40+30=50+24= 98-40= 37-5=23+15=66-3仁 83-20= 55-3=2.算一算。11 9=14 9=17 9=13-9=15 9=18 9=3.我會算。9 416 107 513 3 55 87 49 61 15 318 411 14 1219 2 78 619 519 610 6 44.逐一計算40+13=90-50=5.直接寫出得數(shù)5417 619108512 3 46814 2863718 8 713 0881051715 3 214 5945914411 3 46.

2、口算。10+ 5 =4+ 13=20- 10=14- 4 =18-6 =16- 5=3+ 16=7+ 10=17 4=8+ 10=19- 9 =18- 3 =7. 想一想，算一算。38+ 20= _65- 50=_ 88- 80=36+ 60= _46 - 30=_75- 20= _8. 直接寫得數(shù)。7- 3=0+ 10=5+ 6=5- 1 + 7=2+ 8=6+ 10=8+ 5=9- 6- 3=9+ 4=13- 10=7+ 7 =14+ 0- 4=9. 口算。16- 9=46+ 5=8+ 35=78- 70=50+ 13=39- 9 =90- 30=6+ 17 =15- 6=36+ 2 =1

3、1- 2 =72- 50=10. 細心算一算。3+ 7=13- 3 =7+ 7 =9+ 9=4+ 9- 3=8+ 2=8- 8=0+ 7=5+ 4=7- 2+ 6=6+ 9 =3+ 8=7+ 5=4+ 9=12- 2+ 4 =9 - 8=10+ 5=8+ 7=6+ 10=8+ 0+ 9=11. 口算9 + 60 =60+ 8=6460=20+ 5 =36 - 6 =944=30+ 9=9+ 80 =56 - 50=80+ 7=666=9890=82 - 2 =135=6+ 40=4+ 70 =12.直接寫出得數(shù)11 2 =138 =119 =145=123=15 6 =159 =136 =12

4、5=148=9 + 6 =179 =24+ 7 =406=7330=56 + 6 =478 =30+ 37 =544=43+ 9=57+ 3 =337 =742 =358=4340=57+ 5 =37+ 8 =453045+ 8=637=13. 口算，你發(fā)現(xiàn)了什么?5 1 =54 =1+ 1 =50 =1+ 0 =4 1 =43 =2+ 1 =40 =2+ 0 =3 1 =32 =3+ 1 =30 =3+ 0 =14.龜兔接力賽15.直接寫出得數(shù)。4+ 7 =86 =90 =3+ 4+ 5 =8 8 =9+ 8 =41 =5+ 0+ 10 =5 4 =9+ 4 =143 =6+ 7 2 =10

5、-2 =67=18 -10=409=16. 口算下面各題。13 6=11- 8=4030=27- 5 =54- 2=12- 9=660=59- 50=34- 6 =25 5=373=46- 8=83- 4=4016=92- 9=70- 60=954=60- 7=784=883=20. 細心列式算一算（1）78-8-9=2）68- （ 7-2 ）=3） 54- （3+27）4）46-7+20=17. 看誰算得都對9288105741632612 3665111449574177019896124551034186218.直接寫出得數(shù)。4578944329310715592737825746910

6、459981034133664869570752953819. 口算16 - 9 =14- 7 =15- 6=17- 8 =16 - 7 =11- 8 =11- 3=11- 6 =13 - 7 =12- 5 =14- 8=18- 9 =21. 口算2+ 1 =40=50=42=3 + 2 =41 =44=30=50=33=32=54=1 1 =43=41=53=22. 算一算，填一填。16-8 = _8+_ = 17 _-7=15+7= 136+8= _13-_=823. 直接寫出得數(shù)。12 3=157=16 8=115=11 2=172=189=145=13 8=127=148=167=24. 口算我最快（玩轉加減法）。10-1 = _ 11-2 = _12-3