2x-8(0.2x-0.6)=5.2
x=?
2x-8(0.2x-0.6)=5.2
2x-8x0..2x+8x0.6=5.2
(2-1.6)x=5.2-4.8
x=1
解:2X-1.6X+4.8=5.2 0.4X=0.4 X=1
2x-8(0.2x-0.6)=5.2
2x-1.6x+4.8=5.2
0.4x=5.2-4.8
0.4x=0.4
x=1
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x=?
2x-8(0.2x-0.6)=5.2
2x-8x0..2x+8x0.6=5.2
(2-1.6)x=5.2-4.8
x=1
解:2X-1.6X+4.8=5.2 0.4X=0.4 X=1
2x-8(0.2x-0.6)=5.2
2x-1.6x+4.8=5.2
0.4x=5.2-4.8
0.4x=0.4
x=1