解方程. ①2x+3×0.9=24.9 ②120%x+x=44.
问题描述:
解方程.
①2x+3×0.9=24.9
②120%x+x=44.
答
①2x+3×0.9=24.9, 2x+2.7=24.9, 2x+2.7-2.7=24.9-2.7, 2...
解方程.
①2x+3×0.9=24.9
②120%x+x=44.
①2x+3×0.9=24.9, 2x+2.7=24.9, 2x+2.7-2.7=24.9-2.7, 2...