题目内容
口算. 72-40= |
30÷5= | 4×5= | 12+29= |
4÷1= | 6÷6= | 35+48= | 5×3= |
38÷4= | 3×0= | 32+20= | 72-8= |
20÷4= | 6×7= | 34÷6= | 6×6= |
18÷3= | 24-6= | 6+45= | 40+27= |
28÷4= | 8×1= | 40÷8= | 8×3= |
91-9= | 7+73= | 32÷6= | 31-24= |
28-7= | 5÷8= | 16-8+24= | 100-49+10= |
分析:依据整数四则运算计算方法解答.
解答:
解:72-40=32; | 30÷5=6; | 4×5=20; | 12+29=41; | ||
4÷1=4; | 6÷6=1; | 35+48=83; | 5×3=15; | ||
38÷4=9.5; | 3×0=0; | 32+20=52; | 72-8=64; | ||
20÷4=5; | 6×7=42; | 34÷6=5
|
6×6=36; | ||
18÷3=6; | 24-6=18; | 6+45=51; | 40+27=67; | ||
28÷4=7; | 8×1=8; | 40÷8=5; | 8×3=24; | ||
91-9=82; | 7+73=80; | 32÷6=5
|
31-24=7; | ||
28-7=21; | 5÷8=0.625; | 16-8+24=32; | 100-49+10=61; | ||
3×4=12; | 1÷1=1. |
点评:本题主要考查了学生对于整数四则运算计算方法掌握.
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