= | 31.6-5.8-4.2= | 627-199= | 125%×8= |
= | 1- = | 3.6× = | 8× = |
| 23+2= | 0.56÷0.7= |
= , | 31.6-5.8-4.2=21.6, | 627-199=428, | 125%×8=1, |
= , | 1- = , | 3.6× =3, | 8× =64, |
| 23+2=10, | 0.56÷0.7=0.8, |
分析:运用分数,整数的加减乘除法的计算法则进行计算,31.6-5.8-4.2用31.6减去5.8+4.2的和即运用减法的性质,125%×8转化成0.125×8进行解答即可.
点评:本题考查了分数,整数的加减乘除法的计算法则的运用掌握情况.
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