2.简便计算.4/5*2/7÷6/7*5/635/36÷7*4/15÷3/53.解方程.9/10X-2=3/5X÷3/5=3/83/4X-1/3X=10

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2.简便计算.4/5*2/7÷6/7*5/635/36÷7*4/15÷3/53.解方程.9/10X-2=3/5X÷3/5=3/83/4X-1/3X=102.简便计算.4/5*2/7÷6/7*5/635

2.简便计算.4/5*2/7÷6/7*5/635/36÷7*4/15÷3/53.解方程.9/10X-2=3/5X÷3/5=3/83/4X-1/3X=10
2.简便计算.
4/5*2/7÷6/7*5/6
35/36÷7*4/15÷3/5
3.解方程.
9/10X-2=3/5
X÷3/5=3/8
3/4X-1/3X=10

2.简便计算.4/5*2/7÷6/7*5/635/36÷7*4/15÷3/53.解方程.9/10X-2=3/5X÷3/5=3/83/4X-1/3X=10
4/5*2/7÷6/7*5/6=25/98
35/36÷7*4/15÷3/5=20/324
9/10X-2=3/5
x=2/3
X÷3/5=3/8
x=9/40
3/4X-1/3X=10
x=24