2.4x-x=28怎么解
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2.4x-x=28怎么解2.4x-x=28怎么解2.4x-x=28怎么解2.4x-x=281.4x=28x=28÷1.4x=201.4x=28x=201.4x=28x=28/1.4x=201.4x=2
2.4x-x=28怎么解
2.4x-x=28怎么解
2.4x-x=28怎么解
2.4x-x=28
1.4x=28
x=28÷1.4
x=20
1.4x=28
x=20
1.4x=28
x=28/1.4
x=20
1.4x=28
x=20
2.4x-x=28
1.4X=28
x=28除以1.4
x=20
2.4x-x=28
(2.4-1)x=28
1.4x=28
x=28÷1.4
x=20
2.4x-x=28
(2.4x-1)=28
1.4x=2.8
x=20
2.4X-X=28
1.4X=28
X=28/1.4
X=20
2.4x-x=28;
1.4x=28;
x=20
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