4分之1×(8×60%-1%÷8分之1) 简便算法、
答案:2 悬赏:80 手机版
解决时间 2021-04-06 01:02
- 提问者网友：鼻尖触碰
- 2021-04-05 11:20
4分之1×(8×60%-1%÷8分之1) 简便算法、
最佳答案
- 五星知识达人网友：三千妖杀
- 2021-04-05 12:16
4分之1×(8×60%-1%÷8分之1) 简便算法
1/4X(8X60/100-1/100÷1/8)
=1/4X(8X60/100-1/100X8/1)
=1/4X(8X60/100-1/100X8)
=1/4X8(60/100-1/100)
=2X59/100
=59/50
1/4X(8X60/100-1/100÷1/8)
=1/4X(8X60/100-1/100X8/1)
=1/4X(8X60/100-1/100X8)
=1/4X8(60/100-1/100)
=2X59/100
=59/50
全部回答
- 1楼网友：玩世
- 2021-04-05 13:47
4×60％+25分只19×40％+25分只19×60％
=4*0.6+19/25*0.4+19/25*0.6
=4*0.6+19/25*(0.4+0.6)
=4*0.6+19/25
=2.4+(19*4)/(25*4)
=2.4+76/100
=2.4+0.76
=3.14
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