(1+50%)X×80%-x=20
网友回答
(1+50%)X×80%-x=20
1.2x-x=20
0.2x=20
x=100======以下答案可供参考======
供参考答案1:
(1+50%)X×80%-x=20
1.2x-x=20
0.2x=20
x=100供参考答案2:
(1+50%)X×80%-x=20
1.2x-x=20
0.2x=20
x=100供参考答案3:
1.5x*0.8-x=20
1.2x-x=20
0.2x=20
x=100供参考答案4:
(1+50%)X×80%-x=20
1.5x×0.8-x=20
1.2x-x=20
0.2x=20
x=400