计算:(1)2/5x^2y^3*(—5/16xyz^2) (2)(—4x^2y)*(—x^2y^2)*(1/2y^3)(3)(—1/2ab^2c)2*(—1/3abc^2)3*912a^3b)(4)(—3a^n+1b^n)*(1/3ab)*(—a^2c)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/27 08:51:38
xՒJ@_eV3ie`AUH\.)*ZAն.fWfŝQHs9绗3wwydzL;$v).ۜ:VIvv8EKS ]M$IS N l&NMD%K0 4+*83a[T6\SNaXٓ'1w$T[!x*QTҍμp؍( +@G!Kd~1ԅ%^;=㗰};]EbsضPn/kipx!?i,8|'\f]Xz| $z
计算:(1)2/5x^2y^3*(—5/16xyz^2) (2)(—4x^2y)*(—x^2y^2)*(1/2y^3)(3)(—1/2ab^2c)2*(—1/3abc^2)3*912a^3b)(4)(—3a^n+1b^n)*(1/3ab)*(—a^2c)
计算:(1)2/5x^2y^3*(—5/16xyz^2) (2)(—4x^2y)*(—x^2y^2)*(1/2y^3)
(3)(—1/2ab^2c)2*(—1/3abc^2)3*912a^3b)
(4)(—3a^n+1b^n)*(1/3ab)*(—a^2c)
计算:(1)2/5x^2y^3*(—5/16xyz^2) (2)(—4x^2y)*(—x^2y^2)*(1/2y^3)(3)(—1/2ab^2c)2*(—1/3abc^2)3*912a^3b)(4)(—3a^n+1b^n)*(1/3ab)*(—a^2c)
(1)2/5x^2y^3*(—5/16xyz^2)
=-1/8x^3y^4z^2;
(2)(—4x^2y)*(—x^2y^2)*(1/2y^3)
=2x^4y^6;
(3)(—1/2ab^2c)2*(—1/3abc^2)3*912a^3b)
题目有问题吧
(4)(—3a^n+1b^n)*(1/3ab)*(—a^2c)
=a^(n+1+1+2)b^(n+1)c
=a^(n+4)b^(n+1)c;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
计算:x(x-3y)(5x-2y)
计算:(1)8x^2y^2*(-3x/4y^5) (2)(x+y)^2/xy-y^2*(y-x)^2/xy+y^2
计算:(X+Y)^5÷(-X-Y)^3*(X-Y)^2
计算:(1)(x+y)^9/(x+y)^5(2)(x^2+x+1)/(3)0.0001^0(4)(x+3y/2x-y)^-4
计算(2x-3y-1)(-2x-3y+5)
计算:(3x²+2y+1)-(2x²+3y-5)
计算:(3x+4y)(3x-4y)-5(x+y)(x-2y)
计算:5x-2y-6+ (1/x) + (1/y)
计算-(x-5y)-(-3x+2y)
计算x^2y^-3(x^-1y)^3
计算[(3x——2y)(3x+2y)—(x+2y)(5x—2y)]除以4x
计算:(x-5y)^2
计算(1) (3x-2y)-(-x-y) (2)2(x-3)-3(2x-5)
计算(25x^2y^3z-10x^3 y^2)/5x^2y*y
计算:(5-xy/x^3-x^2y)/(1-5/xy)^2*(y-x)^3
计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2)
计算[(x+2y)^2-(x+y)(3x-y)-5y]/2x,其中x=-2,y=1/2
利用乘除法运算公式计算5(x+y)(x-y)-2(x+y)^2+3(x-y)^2其中x=2,y=1