"(1-80%)X=1/4X-0.6"这道题怎样算,
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/28 07:21:50
x)S0Ե0PՌ5753Sz/xl$TΆ$sNysIiX/.H̳iU J`zT+%[6jTDlB@ooJP@fE
@lܳ .
"(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