来自戴喜生的问题
去括号:-6x3-[4x2-(x+5)]=___.
去括号:-6x3-[4x2-(x+5)]=___.
1回答
2019-12-30 07:21
去括号:-6x3-[4x2-(x+5)]=___.
去括号:-6x3-[4x2-(x+5)]=___.
-6x3-[4x2-(x+5)]
=-6x3-(4x2-x-5)
=-6x3-4x2+x+5.
故答案是:-6x3-4x2+x+5.