谁能出100道二次根式运算练习题给我，我的运算太差了 二次根式计算题100道带答案
\u8c01\u80fd\u51fa100\u9053\u4e8c\u6b21\u6839\u5f0f\u8fd0\u7b97\u7ec3\u4e60\u9898\u7ed9\u6211\uff0c\u6211\u7684\u24605\u221a8-2\u221a32+\u221a50
=5*3\u221a2-2*4\u221a2+5\u221a2
=\u221a2(15-8+5)
=12\u221a2
\u2461\u221a6-\u221a3/2-\u221a2/3
=\u221a6-\u221a6/2-\u221a6/3
=\u221a6/6
\u2462(\u221a45+\u221a27)-(\u221a4/3+\u221a125)
=(3\u221a5+3\u221a3)-(2\u221a3/3+5\u221a5)
=-2\u221a5+7\u221a5/3
\u2463(\u221a4a-\u221a50b)-2(\u221ab/2+\u221a9a)
=(2\u221aa-5\u221a2b)-2(\u221a2b/2+3\u221aa)
=-4\u221aa-6\u221a2b
\u2464\u221a4x*(\u221a3x/2-\u221ax/6)
=2\u221ax(\u221a6x/2-\u221a6x/6)
=2\u221ax*(\u221a6x/3)
=2/3*|x|*\u221a6
\u2465(x\u221ay-y\u221ax)\u00f7\u221axy
=x\u221ay\u00f7\u221axy-y\u221ax\u00f7\u221axy
=\u221ax-\u221ay
\u2466(3\u221a7+2\u221a3)(2\u221a3-3\u221a7)
=(2\u221a3)^2-(3\u221a7)^2
=12-63
=-51
\u2467(\u221a32-3\u221a3)(4\u221a2+\u221a27)
=(4\u221a2-3\u221a3)(4\u221a2+3\u221a3)
=(4\u221a2)^2-(3\u221a3)^2
=32-27
=5
\u2468(3\u221a6-\u221a4)²
=(3\u221a6)^2-2*3\u221a6*\u221a4+(\u221a4)^2
=54-12\u221a6+4
=58-12\u221a6
\u2469\uff081+\u221a2-\u221a3\uff09\uff081-\u221a2+\u221a3\uff09
=[1+(\u221a2-\u221a3)][1-(\u221a2-\u221a3)]
=1-(\u221a2-\u221a3)^2
=1-(2+3+2\u221a6)
=-4-2\u221a6
\u2468(3\u221a6-\u221a4)2
=(3\u221a6)^2-2*3\u221a6*\u221a4+(\u221a4)^2
=54-12\u221a6+4
=58-12\u221a6
\u2469\uff081+\u221a2-\u221a3\uff09\uff081-\u221a2+\u221a3\uff09
=[1+(\u221a2-\u221a3)][1-(\u221a2-\u221a3)]
=1-(\u221a2-\u221a3)^2
=1-(2+3+2\u221a6)
=-4-2\u221a6\u24605\u221a8-2\u221a32+\u221a50
=5*3\u221a2-2*4\u221a2+5\u221a2
=\u221a2(15-8+5)
=12\u221a2
\u2461\u221a6-\u221a3/2-\u221a2/3
=\u221a6-\u221a6/2-\u221a6/3
=\u221a6/6
\u2462(\u221a45+\u221a27)-(\u221a4/3+\u221a125)
=(3\u221a5+3\u221a3)-(2\u221a3/3+5\u221a5)
=-2\u221a5+7\u221a5/3
\u24605\u221a8-2\u221a32+\u221a50 =5*3\u221a2-2*4\u221a2+5\u221a2 =\u221a2(15-8+5) =12\u221a2 \u2461\u221a6-\u221a3/2-\u221a2/3 =\u221a6-\u221a6/2-\u221a6/3 =\u221a6/6 \u2462(\u221a45+\u221a27)-(\u221a4/3+\u221a125) =(3\u221a5+3\u221a3)-(2\u221a3/3+5\u221a5) =-2\u221a5+7\u221a5/3 \u2463(\u221a4a-\u221a50b)-2(\u221ab/2+\u221a9a) =(2\u221aa-5\u221a2b)-2(\u221a2b/2+3\u221aa) =-4\u221aa-6\u221a2b \u2464\u221a4x*(\u221a3x/2-\u221ax/6) =2\u221ax(\u221a6x/2-\u221a6x/6) =2\u221ax*(\u221a6x/3) =2/3*|x|*\u221a6 \u2465(x\u221ay-y\u221ax)\u00f7\u221axy =x\u221ay\u00f7\u221axy-y\u221ax\u00f7\u221axy =\u221ax-\u221ay \u2466(3\u221a7+2\u221a3)(2\u221a3-3\u221a7) =(2\u221a3)^2-(3\u221a7)^2 =12-63 =-51 \u2467(\u221a32-3\u221a3)(4\u221a2+\u221a27) =(4\u221a2-3\u221a3)(4\u221a2+3\u221a3) =(4\u221a2)^2-(3\u221a3)^2 =32-27 =5 \u2468(3\u221a6-\u221a4)2 =(3\u221a6)^2-2*3\u221a6*\u221a4+(\u221a4)^2 =54-12\u221a6+4 =58-12\u221a6 \u2469\uff081+\u221a2-\u221a3\uff09\uff081-\u221a2+\u221a3\uff09 =[1+(\u221a2-\u221a3)][1-(\u221a2-\u221a3)] =1-(\u221a2-\u221a3)^2 =1-(2+3+2\u221a6) =-4-2\u221a6
根号下12加上根号下8乘以根号下9 根号下16除以根号下18 根号下225乘以根号下14除以根号下22 根号下24减去根号下66 根号下12加上根号下85 根号下45乘以根号下545 根号下25乘以根号下86除以根号下8加上5 根号下44加上根号下66减去根号下748 根号下35除以根号下212 根号下568乘以根号下4除以根号下25 根号下5减去根号下5 根号下8减去根号下12 【这都是我自己打的---好累啊】根号下52减去根号下2 根号下9除以根号下3 根号下54减去根号下22 根号下25除以根号下52乘以根号下256 根号下55乘以根号下55 设根号下2等于1.524，根号下18和根号下4分之1等于多少【可能有点难哦】【但是这种题经常考】100道
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绛旓細1銆佲垰3-1 2銆丏 3銆2 3+2鈭2 鈭2 4銆丏 5銆丄 6銆丄
绛旓細http://wenku.baidu.com/view/9f2f5e28915f804d2b16c1e8.html 鍙傝冭祫鏂欙細http://wenku.baidu.com/view/9f2f5e28915f804d2b16c1e8.html
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绛旓細=2鈭(4/3)*(27/16)=2鈭9/4 =2*(3/2)=3 =鈭(18/42)=鈭(3/7)=(鈭21)/7 =-12鈭(27*3)=-12鈭81 =-12*9 =-108 =(6/5)*鈭歔(8/5)/(16/5)]=(6/5)*鈭(1/2)=3鈭2/5
