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
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=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。