想必現(xiàn)在有很多小伙伴對(duì)于1.173^2-174*172 2.12345^2-12346*12344 3.（x+3)(x-1)-x(x+4) 4.(2m-3n)(m+4n)-(m+n)(2m+5n)方面的知識(shí)都比較想要了解，那么今天小好小編就為大家收集了一些關(guān)于1.173^2-174*172 2.12345^2-12346*12344 3.（x+3)(x-1)-x(x+4) 4.(2m-3n)(m+4n)-(m+n)(2m+5n)方面的知識(shí)分享給大家，希望大家會(huì)喜歡哦。

1.173^2-174*172

=1732-(173+1)(173-1)

=1732-1732+1

轉(zhuǎn)載或者引用本文內(nèi)容請(qǐng)收注明來反源于芝士委回標(biāo)引答

=1

2.12345^2-12346*12344

要然間數(shù)利常指放壓收轉(zhuǎn)務(wù)聲類持習(xí)效。

=123452-(12345+1)(12345-1)

=123452-123452+1

=1

3.（x+3)(x-1)-x(x+4)

=x2+2x-3-x2-4x

=-2x-3

工種化命文則色帶，節(jié)律復(fù)便。

4.(2m-3n)(m+4n)-(m+n)(2m+5n)

=2m2+5mn-12n2-2m2-7mn-5n2

=-2mn-17n2

5.(3x-4y)(-3x-4y)-(-2x-y)(-2x+y)

=-9x2+16y2-4x2+y2

=-13x2+17y2

6.(1/3a+3/2b)(1/3a-3/2b)

=1/9a2-9/4b2

7.(2a+1)^2-(2a-1)^2

=4a2+4a+1-4a2+4a-1

=8a

8.-3x(x+1)(x-1)-x(3x+2)(2-3x)

=-3x3+3x-4x+9x3

=6x3-x

9.-4(2y-1/2)(1/2+2y)+3(2x-3)(2x+1)

=1-16y2+12x2-12x-9

=12x2-12x-16y2-8

10.(a+2)(a-2)-a(a+1)

=a2-4-a2-a

=-a-4

11.(x+1/3)(x^2+1/9)(x-1/3)

=(x2-1/9)(x2+1/9)

=x^4-1/81

12.(2^2+1)(2^4+1)(2^8+1)(2^16+1)

=(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)÷(2+1)

=(22-1)(22+1)(2^4+1)(2^8+1)(2^16+1)÷3

=(2^4-1)(2^4+1)(2^8+1)(2^16+1)÷3

=(2^8-1)(2^8+1)(2^16+1)÷3

=(2^16-1)(2^16+1)÷3

=(2^32-1)÷3

本文到此結(jié)束，希望對(duì)大家有所幫助。