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祈福教育 八年级数学下二次根式测试题一选择题(各4分共24分)1.要使式子在实数范围内有意义则x的取值范围是( )(A)≥1 (B)<1 (C)≤1 (D)x≠12.计算·的结果是( )(A) (B) (C) (D)3.下列各式中与2-相乘后积为有理数的是( )(A)2 (B)2- (C)-2 (D)4.下列各式中与是同类二次根式的是( )(A) (B
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第十六章《二次根式》测 试 题一选择题(每题3分10小题共30分)1下列各式中一定是二次根式的是( ) A. B C D2当有意义时a的取值范围是( )A. B C D3下列各式正确的是 ( )A B C D4下列二次根式中属于最简二次根式的是( ) A B C D5下列计算正确的是( )ABC D
二次根式测试题(一)时间:45分钟 分数:100分一选择题(每小题2分共20分)1. 下列式子一定是二次根式的是( )A. B. C. D.2.若则( )A.b>3 B.b<3 C.b≥3 D.b≤33.若有意义则m能取的最小整数值是( )A.m=0 B.m=1 C.m=2
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一选择题(本大题共10小题每题2分满分20分)1.下列格式中一定是二次根式的是………………………………………………………( )(A) eq r(–5) (B) eq r(32) (C) eq r(9x) (D) eq r(a21).2.如果 eq r(3–2x)是二次根式那么应满足的条件是……………………………………( )(A)
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