请求一道数学题
已知方程2/3 1/4(5x 2/2014)=1/6有解,求代数式4-15(5x 2/2014)的解
2/3 1/4(5x 2/2014)=1/6
1/4(5x 2/2014)=1/6-2/3
1/4(5x 2/2014)=-1/2
5x 2/2014=-2
-15(5x 2/2014)=30
4-15(5x 2/2014)=4 30=34
把 5x 2/2014 看成一体即可
答:2/3 1/4(5x 2/2014)=1/6 1/4(5x 2/2014)=1/6-2/3 5x 2/2014=-1/2*4 5x 2/2014=-2 4-15...详情>>
答:详情>>