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> (2011江苏南通,12,3分)计算:=▲.-八年级数学
(2011江苏南通,12,3分)计算:=▲.-八年级数学
题目简介
(2011江苏南通,12,3分)计算:=▲.-八年级数学
题目详情
(2011江苏南通,12,3分)计算:
=
▲
.
题型:填空题
难度:偏易
来源:不详
答案
.
运用二次根式的加减法运算的顺序,先将二次根式化成最简二次根式,再合并同类二次根式即可.
解:原式=2
-
=
.
上一篇 :
把根号外的因式适当变形后移到
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计算:=-九年级数学
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题目简介
(2011江苏南通,12,3分)计算:=▲.-八年级数学
题目详情
答案
解:原式=2