初一整式乘法题

姜通盾3536初一运用整式乘法公式进行计算题目 -
狐宽榕15764499727 ______ 展开全部123^2-124*122=123^2-(123+1)*(123-1)=123^2-123^2+1=1

姜通盾3536初一整式的乘法 计算题 过程 只有2道题 -
狐宽榕15764499727 ______ 1. 2(x^3)^2*x^3-(3x^3)^3+(5x)^2*x^7 =2*X^6*X^3-27X^9+25X^2*x^7 =2*X^9-27X^9+25X^9 =X^9(2-27+25) =0 2. (x+y/2)^2+(x-y/2)^2 =X^2+y^2/4+XY+(X^2+y^2/4-XY) =2X^2+(y^2)/2

姜通盾3536初一数学题~整式的乘法..练习
狐宽榕15764499727 ______ (1)(x+y)(a+2b) = ax+ 2bx+ay+2by (2)(2a+3)(3/2b+5) = 3a/b +10a+9/2b+15 (3)(2x+3)(-x-1) = - 2x^2 - 2x - 3x - 3 = -2x^2 - 5x - 3 (4)(-2m-1)(3m-2) = - 6m^2 +4m - 3m +2 = -6m^2 +m +2 (5)(x-y)的2次方 = (x-y)(x - y) = x^2 - 2xy +y^2 (6)(-2x+3)的2次方 = (-2x+3))(-2x+3) = 4x^2 - 12x +9

姜通盾3536一道初一数学题 整式的乘法
狐宽榕15764499727 ______ (m-4)^2-(m-3)(m+4)≥2(3m-2),即m≥-32.

姜通盾3536七年级第一学期整式的乘法 数学题 -
狐宽榕15764499727 ______ 2^m=a 2^n=b4^(m+n)=2^(2m+2n) =(2^m)^2*(2^n)^2 =a^2b^2

姜通盾3536帮忙找整式的乘除法计算10题~是初一上学期的.老师要求做 .最好附有答案. -
狐宽榕15764499727 ______[答案] 1) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x-y=56...

姜通盾3536初一数学题整式的乘法
狐宽榕15764499727 ______ =x*x8次方*(-x12次方) =-x21次方

姜通盾3536初一数学整式乘除单元计算题(不是抄,只是对一下答案,把中间过程也写出来)1.(3m²n³)÷(3mn)²2.[( - x)^5 ]÷( - x)³3.[( - a)^ - 4]÷( - a)^ - 74.[(ab)^3m+3]÷(ab)^3... -
狐宽榕15764499727 ______[答案] 1.n/3 2.x^2 3.-a^3 4.(ab)^6 5.(xy)^7 6.-1/4 *b+1 7.3xy-2y^2 8.-6a^2+2/3 9.a^(2m-3n)=a^2m/a^3n=(4*4)/(3*3*3)=16/27 10.立方体表面积=棱长x棱长x6=(3ab²)^2*6=54a^2*b^4 11.(1)(x+2)(x-a)=x^2+(2-a)x-2a,依题意,2-a=0,a=2 (2)(x+3)(3x-a)=3x^2+(9-a)...

姜通盾3536七年级整式的乘法!求解啊!急~~~~!!!求过程!!谢! -
狐宽榕15764499727 ______ 1. (2x²-3x-7)乘5x-7(1-5x)=10x³-15x²-35x-7+35x=10x³-15x²-72. (3x³-4x²+2x-5)乘(2x²-5x-7)=6x^5-15x^4-21x³-8x^4+20x³+28x²+4x³-10x²-14x-10x²+25x+35=6x^5-23x^4+3x³+8x²+11x+35

姜通盾3536数学初一整式乘法 -
狐宽榕15764499727 ______ (2a+1/2b)²(2a-1/2b)²=[(2a+1/2b)*(2a-1/2b)]²=[(2a)^2-(1/2b)^2]²=(4a^2-1/4b^2)²=16a^4-2a^2b^2+1/16b^42.6(7+1)(7²+1)(7四次方+1)-(7八次方+1)+1=(7-1)(7+1)(7²+1)(7四次方+1)-(7八次方+1)+1=(7²-1)(7²+1)(7四次方+1)-(7八次方+1)+1=(7四次方-1)(7四次方+1)-(7八次方+1)+1=7八次方-1-(7八次方+1)+1=-1