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时间:2020-03-10
《二次根式计算题-100-道.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、你只要用心做,任何事都难不倒你!—熊娟老师二次根式计算题100道——二次根式计算过关题114134(1)4545842(2)32521625168121184(3)2(4)21(548627415)3181(5)3124(6)5135462732221124311(7)(8)321622222223(9)2(10)2343353321你只要用心做,任何事都难不倒你!—熊娟老师5(11)183126
2、(12)645(448)827310132(13)(14)32255331542153572222(15)①②(16)已知x4y2x4y20,求5xy16的平方根5332511(17)1843(18)已知a2,b3,求bb的值。232abab11(19)1510550(20)843622你只要用心做,任何事都难不倒你!—熊娟老师32x11(21)已知x,求的值(22)2232x5(23)(23)2211
3、211(23)21231548(24)aa333aaabab2abxyyxyxxy(25)(26)ababxyyxyxxy2122353b(27)121(28)abab3335ba2a2abbaba12(29)(30)232852abaabbabbab473你只要用心做,任何事都难不倒你!—熊娟老师200020012(31)3232(32)若xyy4y
4、40,求xy的值。1121(33)21231548(34)48542331333322222(35)743743351(36)121312132211abab2ab(37)aa(38)aaabab1(39)32(818)(40)(xy)xy3ab36aba0,b0(41)5ab4aba0,b0(42)4你只要用心做,任何事都难不倒你!—熊娟老师212xy3
5、2(43)121(44)5x2xy123(x>0,y>0).335yx(45)3(√3+√2)﹣4(√2﹣√27)(46)(√48+√6)÷√27(47)比较大小2012-2011与2011-2010(48)(3√2﹣2√3)(3√2+2√3)1132(49)√12﹣√﹣√1(50)√8﹣√2×√33411211(51)计算:6_________.30×1=__________.3×42=_________.3522112267.5(52)计算:=__________.=__________.=_
6、_________.=__________.726320.15121(53)计算:1000-10=__________.(22-36)·2=___________.(+25)·5=__________.5555你只要用心做,任何事都难不倒你!—熊娟老师127+5(54)化简:=__________.=__________.=__________.6+52-37-523223(55)计算:17÷3×=__________.2÷()=__________.553341(56)计算:(8-212+18)×=__
7、________.(210-18)÷22=__________.631a5(57)计算:16a+9a=__________.3+4a=__________.4392xx12x2(58)计算:4x+6x-2x2=__________.y-2xy3(y>0)=__________.29xyy1(59)计算:·a2-2ab+b2=____________.b-a12(60)√18﹣√12+(61)解方程:25x-63=35x2√3﹣1111121(62)323100.0848(63)(242)(6)
8、32638y2-xyx+y2x3yx9x1(64)xx-y+-(x-y)3(65)已知0,求的值。2x-yx-yx3y16你只要用心做,任何事都难不倒你!—熊娟老师2ab2baa21abb4(66)先化简,再求值:+-,其中a=3,b=2abab2ab2311(67)已知:ab,求7a2+11ab+7b2及10a22ab10b的值.2323xyxy2xy(68)
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