x小于等于2大于等于—3时:x-2<0.x+3>0,x+5>0
|x-2|+根号内(x+3)平方+根号内x的平方+10x+25
=-(x-2)+(x+3)+根号(x+5)^2
=-x+2+x+3+x+5
=x+10
x小于等于2大于等于—3时化简|x-2|+根号内(x+3)平方+根号内x的平方+10x+25
x小于等于2大于等于—3时化简|x-2|+根号内(x+3)平方+根号内x的平方+10x+25
数学人气:196 ℃时间:2019-09-22 07:03:24
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