方程:x(2/3+1/2+1/7+1)=37写出过程挖

问题描述:

方程:x(2/3+1/2+1/7+1)=37写出过程挖

2/3+1/2+1/7+1
=28/42+21/42+6/42+42/42
=97/42
所以x(2/3+1/2+1/7+1)=37
97x/42=37
x=37*42/97=1554/97