直接写出得数. ×16= | 10÷ = | ÷25%× = | ÷ = |
| 12.56÷6.28= | ( + )×4= | 0.77+0.33= | + = |
× = | ÷ = |
×16=12, | 10÷ =100, | ÷25%× = , | ÷ = , |
| 12.56÷6.28=2, | ( + )×4=3, | 0.77+0.33=1.1, | + = , |
× = , | ÷ = . |
分析:
÷25%×
按照从左到右的顺序计算;(
+
)×4运用乘法分配律简算;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,注意把结果化成最简分数.
×16=
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