题目内容
只列式,不计算.
(1)125减少它的12%再乘
,积是多少?
(2)8个25相加的和去除5.3的4倍,结果是多少?
(1)125减少它的12%再乘
3 | 11 |
(2)8个25相加的和去除5.3的4倍,结果是多少?
分析:(1)先求出125的12%,再用125减去所得的积,最后用所得的差乘
即可解答,
(2)先求出25乘8的积,再求出5.3乘4的积,最后用5.3乘4的积除以25乘8的积即可解答.
3 |
11 |
(2)先求出25乘8的积,再求出5.3乘4的积,最后用5.3乘4的积除以25乘8的积即可解答.
解答:解:(1)(125-125×12%)×
,
=(125-15)×
,
=110×
,
=30,
答:积是30;
(2)(5.3×4)÷(25×8),
=21.2÷200,
=0.106.
答:结果是0.106.
3 |
11 |
=(125-15)×
3 |
11 |
=110×
3 |
11 |
=30,
答:积是30;
(2)(5.3×4)÷(25×8),
=21.2÷200,
=0.106.
答:结果是0.106.
点评:根据各数间的关系,正确的列式并解答,是解答此类题目的关键.
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