直接写出得数. +0.125= | 2÷ × = | 3.9÷10%= | 32÷1000= |
× = | 1÷ = | 0.7:0.25= | + = |
| 1.03+0.07= | 402= |
解: +0.125= , | 2÷ × =2, | 3.9÷10%=39, | 32÷1000=0.032, |
× = , | 1÷ = , | 0.7:0.25=2.8, | + = , |
| 1.03+0.07=1.1, | 402=1600. |
,2,39,0.032,
,
,2.8,
,1.1,1600.分析:2÷
×
先把除法变成乘法再根据乘法结合律简算;0.7:0.25根据求比值的方法,用0.7÷0.25即可;402表示40×40;其它题目根据运算法则直接求解.点评:本题考查了基本的运算,计算时要细心,注意把运算的结果化成最简分数.
+0.125=
×
+
=