105乘括号1/2+2/3+5分之一怎么算,简便计算
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解决时间 2021-01-16 04:42
- 提问者网友:贪了杯
- 2021-01-15 13:27
105乘括号1/2+2/3+5分之一怎么算,简便计算
最佳答案
- 五星知识达人网友:愁杀梦里人
- 2021-01-15 13:51
105x(1/2+2/3+1/5)
=105x(15/30+20/30+6/30)
=105x41/30
=7x41/6
=287/6
=47又5/6
谢谢,请采纳
=105x(15/30+20/30+6/30)
=105x41/30
=7x41/6
=287/6
=47又5/6
谢谢,请采纳
全部回答
- 1楼网友:行路难
- 2021-01-15 17:17
105ⅹ(1/2+2/3+1/5)
=105x1/2+105x2/3+105x1/5
=52.5+70+21
=143.5
=105x1/2+105x2/3+105x1/5
=52.5+70+21
=143.5
- 2楼网友:妄饮晩冬酒
- 2021-01-15 16:08
105x(1/2+2/3+1/5)
=105x1/2+105x2/3+105x1/5 (乘法分配律)
=52.5+70+21
=143.5
=105x1/2+105x2/3+105x1/5 (乘法分配律)
=52.5+70+21
=143.5
- 3楼网友:鸠书
- 2021-01-15 15:27
105×(1/2+2/3+1/5)
=105×1/2+105×2/3+105×1/5
=52.5+70+21
=143.5
=105×1/2+105×2/3+105×1/5
=52.5+70+21
=143.5
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