题目内容
(75%+
)×24; 3.8×30%+6.2×30%
| 1 | 3 |
分析:这两道题根据乘法分配律解答即可.
解答:解:(1)(75%+
)×24
=75%×24+
×24
=18+8
=26;
(2)3.8×30%+6.2×30%
=(3.8+6.2)×30%
=10×30%
=3.
| 1 |
| 3 |
=75%×24+
| 1 |
| 3 |
=18+8
=26;
(2)3.8×30%+6.2×30%
=(3.8+6.2)×30%
=10×30%
=3.
点评:本题考查了乘法分配律的灵活应用,乘法分配律:一个数乘两个数的和,等于这个数分别乘这两个加数,然后把乘得的积相加.
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