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小题1:2+-4小题2:.-九年级数学
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的算术平方根是()-八年级数学
题目简介
-九年级数学
题目详情
答案
=
=
思路:分别将每项计算出来,再化简
解:原式=
=
=
点评:此题属于低档试题,计算要小心。