/6*x+1/3*x+1/3*3=75*1/6

问题描述:

/6*x+1/3*x+1/3*3=75*1/6

1/6 x +1/3 x +1/3 * 3 =75 *1/6
(1/6+1/3)x =75*1/6 - 1
1/2x= 25/2 -1
x=25/2 *2 -2=25-2=23
即x=23