4.57+3.34÷0.21.68÷0.25÷0.42.5×0.7+7.5×0.70.125×0.32×0.25
答案:2 悬赏:10 手机版
解决时间 2021-01-04 16:38
- 提问者网友:你独家记忆
- 2021-01-03 19:21
4.57+3.34÷0.21.68÷0.25÷0.42.5×0.7+7.5×0.70.125×0.32×0.25
最佳答案
- 五星知识达人网友:毛毛
- 2021-01-03 19:27
解:(1)4.57+3.34÷0.2
=4.57+16.7,
=21.27;
(2)1.68÷0.25÷0.4
=1.68÷(0.25×0.4),
=1.68÷0.1,
=16.8;
(3)2.5×0.7+7.5×0.7
=(2.5+7.5)×0.7,
=10×0.7,
=7;
(4)0.125×0.32×0.25
=(0.125×0.8)×(0.4×0.25)
=0.1×0.1,
=0.01.解析分析:(1)根据小数四则混合运算的运算顺序进行计算即可得到
=4.57+16.7,
=21.27;
(2)1.68÷0.25÷0.4
=1.68÷(0.25×0.4),
=1.68÷0.1,
=16.8;
(3)2.5×0.7+7.5×0.7
=(2.5+7.5)×0.7,
=10×0.7,
=7;
(4)0.125×0.32×0.25
=(0.125×0.8)×(0.4×0.25)
=0.1×0.1,
=0.01.解析分析:(1)根据小数四则混合运算的运算顺序进行计算即可得到
全部回答
- 1楼网友:行路难
- 2021-01-03 20:54
就是这个解释
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