9点2X减X等于49点2.解方程
问题描述:
9点2X减X等于49点2.解方程
答
9.2x - x = 49.2
(9.2 - 1)x = 49.2
8.2x = 49.2
x = 49.2 ÷ 8.2
x = 6
答
9.2X-X=49.2
(9.2-1)X=49.2
8.2X=49.2
X=49.2÷8.2
X=6