2/3X-28+3/4X-52=X
(2/3+3/4-1)x=52+28
(8+9-12)/12x=80
5/12x=80
x=80*12/5
=16*12
=192
像这样的问题自己多尝试下,下次才会的!
2/3X-28+3/4X-52=X
2/3X-28+3/4X-52=X
(2/3+3/4-1)x=52+28
(8+9-12)/12x=80
5/12x=80
x=80*12/5
=16*12
=192
像这样的问题自己多尝试下,下次才会的!