解方程X-1/5X=24 X-1/8X=42 X-1/9X=64
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![解方程X-1/5X=24 X-1/8X=42 X-1/9X=64](/uploads/image/z/578941-61-1.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8BX-1%2F5X%3D24+X-1%2F8X%3D42+X-1%2F9X%3D64)
解方程X-1/5X=24 X-1/8X=42 X-1/9X=64
解方程X-1/5X=24 X-1/8X=42 X-1/9X=64
解方程X-1/5X=24 X-1/8X=42 X-1/9X=64
X-1/5X=24
4/5x=24
x=24÷4/5
x30
X-1/8X=42
7/8x=42
x=42÷7/8
x=48
X-1/9X=64
8/9x=64
x=64÷8/9
x=72