× = | ÷ = | 125×1.6= | 12.56÷6.28= |
7× ÷7× = | - = | 3.14×5= | 3.14×40= |
| 75×10%= | ÷3- = |
× = , | ÷ = , | 125×1.6=200, | 12.56÷6.28=2, |
7× ÷7× = , | - = , | 3.14×5=15.7, | 3.14×40=125.6, |
| 75×10%=7.5 | ÷3- =0. |
故答案为:
,
,200,2,
,
,15.7,125.6,7.5,0.
分析:按照分数四则运算的方法进行计算.
点评:此题考查分数四则运算的计算方法,看准运算符号,正确计算.
×
=
÷
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÷7×
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=