文档介绍：〔学二次根式混合运算学校: 班级: 姓名: 考号计算:Vl4xV7+3V5x2V102Vl2-6J|+:^12-(V3+I)2+4^5|.y/27+yf3(2)-⑴忑(2)(3Vl2-2+V48) 2V3计算:V3-V124-V27;(718-78)^:(-V6)2-V25+7(-3)2(5+2V6)(V3-V2)(V3)2+(7T+V3)°-V27+|V3-2|(275+V3)2-(V5+V2)(V5-V2)a2-2a+l2a-a2a-2(1)化简(1+V3)(V2-V6)-(2V3-1)-+X组程方爾(2⑴计算(275-l)2(2)(V6-2Vl5)xV3-6=t0U40己知如图在平而直角坐标系中两直线相交于点P,•算:712-9J|+V75(748-V27)V3+V6X2^:(V34-1)(73-1)+V24-(i)°.(1)计算M-V3-^+V3211.(2)计算(V5+V2)(V3-V2)计算:(1)V2xV32-5(2)Vl2-(4)(2-V5):(1)(V5+V3)2-(V5-V3)2(2)(3Vl2-2-+V48) \/6V3(2)2Vl8-V8-计算下列各题4^54-V45-V8+4V2(75-3)2+(VTT-3)(VU+3)+V27-(V3-1)°a/3-1748-a/3- Vl2--(V6xVl8)^-j-2j|-V2|-V84-(1-a/3)0+丄必(73+2)(V3-2)-(2V3-l)2.⑽!)-1+(1+V3)(l-V3)-—y=42x+y=+V5V45(2)(7T-l)0+(-i)-1+|5-a/27|-:(1)原式=7y/2+3072=3775(2)原式=4y/3-2y/3+12^3=14^3解:原式=2a/3-(3+2a/3+1)+2V3xy=2V3-(4+2V3)+|__5=~2解:(1)原式=2V5-|W-|V5=V3-^V^(2)原式=34-1—1=3解:(1)原式=7^-275+375=2a/5(2)原 —a/5=3-2=1解:(1)原式=6-5+3=4(2)原式=(5+276)(5-2V6)=25-242V36•解:(1)原式=V3-3+1-3V34-2-73=—37^(2)原式=(6^3-—+4V3)328V334-2V3Y(3)原式=(23+4Vl5)-(5-2)=20+471^(4)原式=(了丁)+61+1=a-1a—17•解:(1)原式=^一7^+7^-3>/^-13+475=-2V2-13+475(2)原方程组化力:{g137 18①x3+®x2可得:17x=153x=9将%=9代入①巾可得:27+2y=39y=6.•.方程组的解为:[^1解:(1)(273-I)2=(2V3)2-2x2V3x1+I2=12+473+113-475;(2)(V6-2Vl5)xV3-6=Vl8-2V45-6V2T3V2-2x375-3^2_Zrn4X+3Z=300--6VS;(3)[2x+5y=1140由②-①X2,得3y=540,解得y=180,把y=180代入①,得x+180=300,解得x=120