6.3×7.1+37×0.7怎么简算
答案:3 悬赏:10 手机版
解决时间 2021-01-08 19:16
- 提问者网友：谁的错
- 2021-01-07 22:21
6.3×7.1+37×0.7怎么简算
最佳答案
- 五星知识达人网友：污到你湿
- 2021-01-07 23:18
6.3×7.1+37×0.7
=6.3×（7+0.1）+3.7×7
=6.3×7+0.63+3.7×7
=7×（6.3+3.7）+0.63
=7×10+0.63
=70+0.63
=70.63
=6.3×（7+0.1）+3.7×7
=6.3×7+0.63+3.7×7
=7×（6.3+3.7）+0.63
=7×10+0.63
=70+0.63
=70.63
全部回答
- 1楼网友：夜风逐马
- 2021-01-08 00:46
6.3×7.1+37×0.7=63x0.7+63*0.01+37x0.7
= 100*0.7+63*0.01
= 70.63
= 100*0.7+63*0.01
= 70.63
- 2楼网友：北城痞子
- 2021-01-07 23:30
6.3×7.1+37×0.7=6.3×（7+0.1）+3.7×7
=6.3×7+6.3×0.1+3.7×7
=（6.3+3.7）×7+0.63
=10×7+0.63
=70.63
=6.3×7+6.3×0.1+3.7×7
=（6.3+3.7）×7+0.63
=10×7+0.63
=70.63
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