4(X+3.2)=32.8

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4(X+3.2)=32.8
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4(X+3.2)=32.8
4(X+3.2)=32.8

4(X+3.2)=32.8
4(X+3.2)=32.8
(X+3.2)=32.8÷4
X+3.2=8.2
x=5

4x+12.8=32.8 4x=32.8-12.8 4x=20 x=5

。。。。。。

4(x+3.2)=32.8
4x+12.8=32.8
4x=32.8-12.8
4x=20
x=20÷4
x=5
不懂可追问!

4(X+3.2)=32.8
X+3.2=32.8/4
X+3.2=8.2
X=8.2-3.2
X=5

4(x+3.2)=32.8
4x+12.8=32.8
4x=32.8-12.8
4x=20
x=20÷4
x=5
很详细了

4(X+3.2)=32.8
4*x+4*3.2=32.8
4x=32.8-12.8
x=20/4
x=5
希望能满意,谢谢!