数学多项式计算题1.(14x^212x^3y+16x^4y^3)/(-4x^2)2.(16×10^17)/(0.2×10^7)3._数学解答

数学多项式计算题
1.(14x^212x^3y+16x^4y^3)/(-4x^2)
2.(16×10^17)/(0.2×10^7)
3.-4/3a^2b^2(3/2a^2+9/4ab-27/8b^2)
4.(x-2)(x-3)+2(x+6)(x-5)-3(x^2-7x+3)

人气：449 ℃　时间：2020-01-26 00:25:56

解答

1.(14x^2+12x^3y+16x^4y^3)/(-4x^2)=7/2-3xy-4x^2y^32.(16×10^17)/(0.2×10^7)=16/0.2=803.-4/3a^2b^2(3/2a^2+9/4ab-27/8b^2)=-2a^4b^2-3a^3b^3+9/2a^2b^44.(x-2)(x-3)+2(x+6)(x-5)-3(x^2-7x+3) =x^2-5x+6+2x^2+2x-...