(37+32.3-31x) ÷2=33.1方程解题!方程!

问题描述:

(37+32.3-31x) ÷2=33.1方程解题!方程!

69.3/2-31x/2=33.1
34.65-31x/2=33.1
69.3-31x=66.2
69.3-66.2=31X
X=0.134.65��ô���ģ�69.3����2���͵���34.65