7.4×7.4x7.4+7.6x7.4。能简便简便
答案:2 悬赏:80 手机版
解决时间 2021-11-12 18:03
- 提问者网友:孤山下
- 2021-11-12 05:24
7.4×7.4x7.4+7.6x7.4。能简便简便
最佳答案
- 五星知识达人网友:爱难随人意
- 2021-11-12 06:11
7.4×7.4x7.4+7.6x7.4
=7.4×(7.4×7.4+7.6)
=7.4×〔7.4×7+7.4×0.4+7.6〕
=7.4×(51.8+2.96+7.6)
=7.4×(59.4+2.96)
=7.4×59.696
=59.696×8-59.696×0.6
=477.568-35.8176
=441.7504
=7.4×(7.4×7.4+7.6)
=7.4×〔7.4×7+7.4×0.4+7.6〕
=7.4×(51.8+2.96+7.6)
=7.4×(59.4+2.96)
=7.4×59.696
=59.696×8-59.696×0.6
=477.568-35.8176
=441.7504
全部回答
- 1楼网友:洒脱疯子
- 2021-11-12 07:35
=7.4*3+7.6*7.4
=(7.6+3)*7.4
=10.6*7.4
=78.44
=(7.6+3)*7.4
=10.6*7.4
=78.44
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