9.5+2X=41.2 把算式写出来!
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9.5+2X=41.2 把算式写出来!
9.5+2X=41.2 把算式写出来!
9.5+2X=41.2 把算式写出来!
9.5+2X=41.2
2X=41.2-9.5
2X=31.7
X=31.7÷2
X=15.85
9.5+2X=41.2
2x=41.2-9.5
2x=31.7
x=15.85
2x=41.2-9.5
2x=31.7
x=15.85
是这个意思么?
9.5+2X=41.2
2x=31.7
x=15.85
2X=41.2-9.5
X=31.7/2
X=15.85