x=x/12+15+30(过程)
问题描述:
x=x/12+15+30(过程)
答
x=x/12+15+30
11x/12=45
x=45*12/11=540/11
x=x/12+15+30(过程)
x=x/12+15+30
11x/12=45
x=45*12/11=540/11