6.25*0.16 264*0.0625 7.2*6.25怎么用简便方法?
答案:1 悬赏:60 手机版
解决时间 2021-04-03 19:04
- 提问者网友：半生酒醒
- 2021-04-03 03:18
6.25*0.16 264*0.0625 7.2*6.25怎么用简便方法?
最佳答案
- 五星知识达人网友：荒野風
- 2021-04-03 03:34
原式
=6.25x0.16+264x0.0625+7.2x6.25
=6.25x0.16+2.64x6.25+7.2x6.25
=6.25x(0.16+2.64+7.2)
=6.25x(2.8+7.2)
=6.25x10
=62.5
=6.25x0.16+264x0.0625+7.2x6.25
=6.25x0.16+2.64x6.25+7.2x6.25
=6.25x(0.16+2.64+7.2)
=6.25x(2.8+7.2)
=6.25x10
=62.5
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