2X+2.5(x+0.04)=11.1X=多少
问题描述:
2X+2.5(x+0.04)=11.1
X=多少
答
2X+2.5(x+0.04)=11.1
2x+2.5x+2.5×0.04=11.1
4.5x=11.1-2.5×0.04
4.5x=11.1-0.1
4.5x=11
x=11÷4.5=22/9