1又11/12-(5/6+11/12)要简便运算 2x-3/8=1-3/8
问题描述:
1又11/12-(5/6+11/12)要简便运算 2x-3/8=1-3/8
答
1又11/12-(5/6+11/12)
=1+11/12-5/6-11/12
=1-5/6+0
=1/6
2x-3/8=1-3/8
2x=1-3/8+3/8
2x=1
x=1/2