5分之1乘27加5分之3乘41怎麽简便计算
答案:6 悬赏:70 手机版
解决时间 2021-02-15 02:25
- 提问者网友:欺烟
- 2021-02-14 16:35
5分之1乘27加5分之3乘41怎麽简便计算
最佳答案
- 五星知识达人网友:摆渡翁
- 2021-02-14 17:01
1/5*27+3/5*41
=1/5*(30-3)+3/5*(40+1)
=1/5*30-1/5*3+3/5*40+3/5*1
=30/5-3/5+120/5+3/5
=30/5+120/5
=150/5
=30
=1/5*(30-3)+3/5*(40+1)
=1/5*30-1/5*3+3/5*40+3/5*1
=30/5-3/5+120/5+3/5
=30/5+120/5
=150/5
=30
全部回答
- 1楼网友:一袍清酒付
- 2021-02-14 21:30
(27+3*41)/5=(27+123)/5=30
- 2楼网友:千夜
- 2021-02-14 20:41
1/5*27+3/5*41=1/5*(27+123)=30
- 3楼网友:荒野風
- 2021-02-14 20:08
1/5x27+3/5x41
=3/5x9+3/5x41
=3/5x(9+41)
=3/5x50
=3x10
=30
答:答案是30。
=3/5x9+3/5x41
=3/5x(9+41)
=3/5x50
=3x10
=30
答:答案是30。
- 4楼网友:污到你湿
- 2021-02-14 19:25
1/5x27+3/5x41
=1/5x27+(1/5+1/5+1/5)x41
=1/5x27+1/5x41+1/5x41+1/5x41
=1/5x(27+41+41+41)
=1/5x150
=30
=1/5x27+(1/5+1/5+1/5)x41
=1/5x27+1/5x41+1/5x41+1/5x41
=1/5x(27+41+41+41)
=1/5x150
=30
- 5楼网友:忘川信使
- 2021-02-14 18:06
1/5×27+3/5×41
=1/5×(3×9)+3/5×41
=(1/5×3)×9+3/5×41
=3/5×9+3/5×41
=3/5×(9+41)
=3/5×50
=30
=1/5×(3×9)+3/5×41
=(1/5×3)×9+3/5×41
=3/5×9+3/5×41
=3/5×(9+41)
=3/5×50
=30
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