(2x/3)/40- (2x/3)/80=1.5怎么算
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(2x/3)/40-(2x/3)/80=1.5怎么算(2x/3)/40-(2x/3)/80=1.5怎么算(2x/3)/40-(2x/3)/80=1.5怎么算(2x/3)/40-(2x/3)/80=1.
(2x/3)/40- (2x/3)/80=1.5怎么算
(2x/3)/40- (2x/3)/80=1.5怎么算
(2x/3)/40- (2x/3)/80=1.5怎么算
(2x/3)/40- (2x/3)/80=1.5
(4x/3)/80- (2x/3)/80=1.5
(2x/3)/80=1.5
2x/3=120
2x=360
x=180
(2x/3)/40- (2x/3)/80=1.5
2*(2X/3)-2X/3=1.5*80
2X/3=120
X=180
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