化简先去括号在化简8x+2y+2(5x-2y)
问题描述:
化简先去括号在化简8x+2y+2(5x-2y)
答
原式=8x+2y+10x-4y
=18x-2y
化简先去括号在化简8x+2y+2(5x-2y)
原式=8x+2y+10x-4y
=18x-2y