4分之1×(8×60%-1%÷8分之1) 简便算法、
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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
追问
可不可以4步就写完、？如果可以、我采纳你、
追答
1/4X(8X60/100-1/100÷1/8)
=1/4X(8X60/100-1/100X8)
=1/4X8(60/100-1/100)
=2X59/100
=59/50
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