1/15 x = 4/5-7/20
x = 27/4
（1/15+1/12）*3+1/15X=4/5
2个回答
相关问题
-
(-5/12)x4/15x(-1.5)x(-1 1/3)
-
3*(1/9+1/15)+x*(1/12+1/15)=5/6
-
1-2 5/12-1 1/4-3 13/15+2 1/5+1 3/15
-
x-15-1/5(x-15)=15+1/5(x-15) .15*3/5*21+15*4/7*21怎么解
-
4X-15/7=15/7X-(3/1+4/3)=12/11
-
x/15+2/5=x/12-1/4
-
(48%+2)x=12.4 15%/(x+1)=12.5%
-
2/1 X 3/1 +12/5 X 2/1 5/4 X7/5 -2/1 （6+15/2）X5
-
计算(-12)*(-3/4)-(-15)*(1又5/1）解题