0 5 9 3 2 5 . c o m/经理人都这男神总是那么不要脸脸的阵型了么

Abydos Scientific
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Abydos Scientific
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C16H24Cl2Rh2
C17H17F2NO3
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C10H20N2O6
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C16H13F6N5O
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C38H47N5O7S2
C20H26ClNO2
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C20H20FNO4
C10H18ClNO
C9H17F2O4P
C14H24Cl2N2
C31H25F2NO3
C14H12FNO2
C13H7ClFIO
C16H21BFNO5
C12H18ClNO2
C6H4OCH3C≡CSi(CH3)3
C14H11BrFNO2
C10H9FINO3
C19H14F2N6O扫二维码下载作业帮
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(1)2x-10.3x (2)3x-x-5x (3)-b+0.6b-2.6b(4)m-n²+m-n² (5)2(4x-0.5) (6)-3(1-1/6x)(7)-x+(2x-2)-(3x+5) (8)3a²+a²-(2a²-2a)+(3a-a²)(9)(5a+4a+7b)+(5c-3b-6a) (10)(8xy-x²+y²)-(x²-y²+8xy)(11)(2x²-1/2+3x)-4(x-x²+1/2) (12)3x²-[7x-(4x-3)-2x²]
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(1)2x-10.3x=-8.3x; (2)3x-x-5x =-3x; (3)-b+0.6b-2.6b=(-1+0.6-2.6)b=b;(4)m-n²+m-n² =2m-2n²; (5)2(4x-0.5)=8x-1; (6)-3(1-1/6x)=-3+x/2;(7)-x+(2x-2)-(3x+5)=-x+2x-2-3x-5=-2x-7;(8)3a²+a²-(2a²-2a)+(3a-a²)=3a²+a²-2a²+2a+3a-a²=a²+5a.(9)(5a+4a+7b)+(5c-3b-6a)=(5+4-6)a+(7-3)b+5c=3a+4b+5c;(10)(8xy-x²+y²)-(x²-y²+8xy)=8xy--x²+y²-x²+y²-8xy=-2x²+2y²;(11)(2x²-1/2+3x)-4(x-x²+1/2)=2x²-1/2+3x-4x+4x²-2=6x²-x-5/2;(12)3x²-[7x-(4x-3)-2x²]=3x²-[7x-4x+3-2x²]=3x²-7x+4x-3+2x²=5x²-3x-3.
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1)2x-10.3x = 7.7x
(2)3x-x-5x=7.7x
(3)-b+0.6b-2.6b=-3b(4)m-n²+m-n²
=2m-2n²;
(5)2(4x-0.5)=8x-1
(6)-3(1-1/6x)=-3+1/2x(7)-x+(2x-2)-(3x+5)=-4x-7 ...
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(p-q)^4÷(q-p)^3 · (p-q)²(-3a)^3-(-a) · (-3a)^24-(-2)^-2-3²÷(3.14-π)^0(-1/3)^-2+(1/9)^0+(-5)^3÷(-5)²(-10)^3×(2×10^-5)^0-(1/10)^-2×10×2x^m · (x^n)^3÷(x^m-1 · 2x^n-1)(b-a)(b-a)^3(a-b)^5(a-b)^5m(b-a)^2m÷(b-a)^7m (m为偶数,a≠b)[(n-m)²]^p · [(m-n)(m-n)^p]^5
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(1)(p-q)^4*(q-p)^3*(p-q)^2 =(p-q)^4*[-(p-q)^3]*(p-q)^2]=-(p-q)^9(2)(-3a)^3-(-a)*(-3a)^2=-27a^3 +9a^3=-18a^3(3)4-(-2)^-2-3²÷(3.14-π)^0=4-1/4-9÷1=4-1/4-9=-5又1/4(5)(-10)^3×(2×10^-5)^0-(1/10)^-2×10×2= -1000 x 1 - 100 x 20=-=-3000(7)(b-a)(b-a)^3(a-b)^5=(a-b)×(a-b)³×(a-b)^5=(a-b)^9(8)m为偶数,且a≠b,则(a-b)的5m次方、(b-a)的2m次方 、(b-a)的7m次方恒为正数,∴(a-b)的5m次方*(b-a)的2m次方 *(b-a)的7m次方=(a-b)的(5m+2m+7m)次方=(a-b)的14m次方(9)P为偶数时:[(n-m)^3]^p.[(m-n)(m-n)^p]^5=(n-m)^(3p)*(m-n)^5*(m-n)^(5p)=(n-m)^(3p)*(m-n)^(5p+5)=(m-n)^(3p)*(m-n)^(5p+5)=(m-n)^(8p+5)因为P为偶数时3p也是偶数.P为奇数时:[(n-m)^3]^p.[(m-n)(m-n)^p]^5=(n-m)^(3p)*(m-n)^5*(m-n)^(5p)=(n-m)^(3p)*(m-n)^(5p+5)=(n-m)^(3p)*(n-m)^(5p+5)=(n-m)^(8p+5)因为P为奇数时(5p+5)是偶数.
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EMMX Biotechnology LLC
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C15H18N2O5
C16H16N2O2
C25H31ClN2O6
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C24H29NO3.C2H2O4
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化简:m加3分之1减9减mƝ5分之6除m减3分之2
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1/(m+3)-6/(9-m方) ÷2/(m-3)=1/(m+3)+6/(m+3)(m-3) ×(m-3)/2=1/(m+3)+3/(m+3)=4/(m+3)
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