疑难杂解数学题5x+3x+4x=?
问题描述:
疑难杂解数学题5x+3x+4x=?
答
5x+3x+4x
=(5+3+4)x
= 12x
疑难杂解数学题5x+3x+4x=?
5x+3x+4x
=(5+3+4)x
= 12x