7+(x一1)×1=(x÷2)×2+(x÷2)×1.5 解方程
问题描述:
7+(x一1)×1=(x÷2)×2+(x÷2)×1.5 解方程
答
7+(x一1)×1=(x÷2)×2+(x÷2)×1.57+x一1=(0.5x)X2+(0.5x)X1.57+x一1=X+0.75X6=0.75xx=6÷0.75x=8
7+(x一1)×1=(x÷2)×2+(x÷2)×1.5 解方程
7+(x一1)×1=(x÷2)×2+(x÷2)×1.57+x一1=(0.5x)X2+(0.5x)X1.57+x一1=X+0.75X6=0.75xx=6÷0.75x=8