1.25×2.4+2.75×0.6能简便运算吗
答案:2 悬赏:30 手机版
解决时间 2021-02-09 15:06
- 提问者网友:蔚蓝的太阳
- 2021-02-08 23:05
1.25×2.4+2.75×0.6能简便运算吗
最佳答案
- 五星知识达人网友:怙棘
- 2021-02-08 23:18
1.25×2.4+2.75×0.6
=1.25×2.4+(1.25+1.5)×0.6
=1.25×2.4+1.25×0.6+1.5×0.6
=1.25×3+0.9
=3.75+0.9
=4.65
=1.25×2.4+(1.25+1.5)×0.6
=1.25×2.4+1.25×0.6+1.5×0.6
=1.25×3+0.9
=3.75+0.9
=4.65
全部回答
- 1楼网友:duile
- 2021-02-08 23:37
1.25×2.4+2.75×0.6
=1.25*4*0.6+2.75*0.6
=0.6*(1.25*4+2.75)
=0.6*7.75
=4.65
=1.25*4*0.6+2.75*0.6
=0.6*(1.25*4+2.75)
=0.6*7.75
=4.65
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