4(X+3.2)=32.8
解:4*x+4*3.2=32.8
4x=32.8-12.8
x=20/4
x=5
希望能满意,谢谢!
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
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
(X+3.2)=32.8÷4
X+3.2=8.2
x=5
4(X+3.2)=32.8
X+3.2=32.8/4
X+3.2=8.2
X=8.2-3.2
X=5