| 直接写得数. 204+583= | 11- = | 3× = | 0.64÷0.08= |
- = | ÷ = | 2.6×0.25×4= | 62= |
0.56× = | ÷50%= | 11.75-1.05= | ÷ = |
| 204+583=787, | 11- =10 , | 3× = , | 0.64÷0.08=8, |
- = , | ÷ =2, | 2.6×0.25×4=2.6, | 62=36, |
0.56× =0.07, | ÷50%=1, | 11.75-1.05=10.7, | ÷ =2. |
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,8,
,2,2.6,36,0.07,1,10.7,2.分析:2.6×0.25×4运用乘法结合律;62=6×6,由此计算;0.56×
直接约分;
÷50%先把50%化成分数再计算;
÷
根据除以一个数就是乘这个数的倒数求解;其它题目根据运算法则直接求解.点评:本题考查了基本的计算,计算时要细心,注意小数点的位置.
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