12+60%x=48 x-25%x=25 30%x+45%x=27 (1+40%)x=7

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/31 06:23:09
12+60%x=48x-25%x=2530%x+45%x=27(1+40%)x=712+60%x=48x-25%x=2530%x+45%x=27(1+40%)x=712+60%x=48x-25%x=2

12+60%x=48 x-25%x=25 30%x+45%x=27 (1+40%)x=7
12+60%x=48 x-25%x=25 30%x+45%x=27 (1+40%)x=7

12+60%x=48 x-25%x=25 30%x+45%x=27 (1+40%)x=7
12+60%x=48
0.6x=36
x=60
x-25%x=25
0.75x=25
x=100/3
30%x+45%x=27
0.75x=27
x=36
(1+40%)x=7
1.4x=7
x=5