"(1-80%)X=1/4X-0.6"这道题怎样算,
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"(1-80%)X=1/4X-0.6"这道题怎样算,"(1-80%)X=1/4X-0.6"这道题怎样算,"(1-80%)X=1/4X-0.6"这道题怎样算,同乘204x=5x-12x=120.2x=0
"(1-80%)X=1/4X-0.6"这道题怎样算,
"(1-80%)X=1/4X-0.6"这道题怎样算,
"(1-80%)X=1/4X-0.6"这道题怎样算,
同乘20 4x=5x-12
x=12
0.2x=0.25x-0.6
0.05x-0.6=0
x=0.6/0.05=12
0.2x=0.25x-0.6
0.05x=0.6
x=12
(1-80%)X=1/4X-0.6
1/5x=1/4x-0.6
1/5x-1/4x=-0.6
-1/20x=-3/5
x=12
0.2x=0.25x-0.6
0.05x=0.6
x=12
(1-80%)X=1/4X-0.6
0.2X=0.25X-0.6
0.05X=0.6
X=12