解方程.1112
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/06 13:45:06
解方程.
11 |
12 |
![解方程.1112](/uploads/image/z/16879346-26-6.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%8E1112)
(1)
11
12X-120%X=6.5
-
17
60X=6.5
-
17
60X÷(-
17
60)=6.5÷(-
17
60)
X=-
390
17;
(2)
11
12X-120%=6.5
11
12X-120%+120%=6.5+120%
11
12X=7.7
11
12X÷
11
12=7.7÷
11
12
X=8.4.
11
12X-120%X=6.5
-
17
60X=6.5
-
17
60X÷(-
17
60)=6.5÷(-
17
60)
X=-
390
17;
(2)
11
12X-120%=6.5
11
12X-120%+120%=6.5+120%
11
12X=7.7
11
12X÷
11
12=7.7÷
11
12
X=8.4.