1.100/19x=100/21(x-2) 2.2/x+1-2=4/x 3.4/5x-1=2/1.100/19x=100/21(x-2)2.2/x+1-2=4/x3.4/5x-1=2/3x+1-3/2-x4.2/3x+2-1=4/2x-1-5/2x+16.2/3x+5=3/2x-17.-5/x-3=15/3x+48.4/3x+5-1=6/5y-79.3/5y+4+4/y-1=2-12/5y-5会哪题就答哪题
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![1.100/19x=100/21(x-2) 2.2/x+1-2=4/x 3.4/5x-1=2/1.100/19x=100/21(x-2)2.2/x+1-2=4/x3.4/5x-1=2/3x+1-3/2-x4.2/3x+2-1=4/2x-1-5/2x+16.2/3x+5=3/2x-17.-5/x-3=15/3x+48.4/3x+5-1=6/5y-79.3/5y+4+4/y-1=2-12/5y-5会哪题就答哪题](/uploads/image/z/189540-36-0.jpg?t=1.100%2F19x%3D100%2F21%EF%BC%88x-2%EF%BC%89+2.2%2Fx%2B1-2%3D4%2Fx+3.4%2F5x-1%3D2%2F1.100%2F19x%3D100%2F21%EF%BC%88x-2%EF%BC%892.2%2Fx%2B1-2%3D4%2Fx3.4%2F5x-1%3D2%2F3x%2B1-3%2F2-x4.2%2F3x%2B2-1%3D4%2F2x-1-5%2F2x%2B16.2%2F3x%2B5%3D3%2F2x-17.-5%2Fx-3%3D15%2F3x%2B48.4%2F3x%2B5-1%3D6%2F5y-79.3%2F5y%2B4%2B4%2Fy-1%3D2-12%2F5y-5%E4%BC%9A%E5%93%AA%E9%A2%98%E5%B0%B1%E7%AD%94%E5%93%AA%E9%A2%98)
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1.100/19x=100/21(x-2) 2.2/x+1-2=4/x 3.4/5x-1=2/1.100/19x=100/21(x-2)2.2/x+1-2=4/x3.4/5x-1=2/3x+1-3/2-x4.2/3x+2-1=4/2x-1-5/2x+16.2/3x+5=3/2x-17.-5/x-3=15/3x+48.4/3x+5-1=6/5y-79.3/5y+4+4/y-1=2-12/5y-5会哪题就答哪题
1.100/19x=100/21(x-2) 2.2/x+1-2=4/x 3.4/5x-1=2/
1.100/19x=100/21(x-2)
2.2/x+1-2=4/x
3.4/5x-1=2/3x+1-3/2-x
4.2/3x+2-1=4/2x-1-5/2x+1
6.2/3x+5=3/2x-1
7.-5/x-3=15/3x+4
8.4/3x+5-1=6/5y-7
9.3/5y+4+4/y-1=2-12/5y-5
会哪题就答哪题
1.100/19x=100/21(x-2) 2.2/x+1-2=4/x 3.4/5x-1=2/1.100/19x=100/21(x-2)2.2/x+1-2=4/x3.4/5x-1=2/3x+1-3/2-x4.2/3x+2-1=4/2x-1-5/2x+16.2/3x+5=3/2x-17.-5/x-3=15/3x+48.4/3x+5-1=6/5y-79.3/5y+4+4/y-1=2-12/5y-5会哪题就答哪题
1题:21分之68
(X+X)+(X-X)+(X*X)+(X/X)=100
matlab解决约束非线性规划问题myfun.mfunction f=myfun(x)f=x(1)*x(13)+x(2)*x(14)+x(3)*x(15)+x(25)+1.697*(x(4)*x(16)+...x(5)*x(17)+x(6)*x(18)+x(26))+0.575*(x(7)*x(19)+x(8)*x(20)...+x(9)*x(21)+x(27))+0.723*(x(10)*x(22)+x(11)*x(23)+x(12)*x(24));
matlab解决约束非线性规划问题myfun.mfunction f=myfun(x)f=x(1)*x(13)+x(2)*x(14)+x(3)*x(15)+x(25)+1.697*(x(4)*x(16)+...x(5)*x(17)+x(6)*x(18)+x(26))+0.575*(x(7)*x(19)+x(8)*x(20)...+x(9)*x(21)+x(27))+0.723*(x(10)*x(22)+x(11)*x(23)+x(12)*x(24));
100(x+4)+10x+(x+2)=21[10x+(x+2)]
x-2x+3x-4x+5x.+99x-100x=25求解
2x+3x+4x+5x+x+6x+7x=100
1.100/19x=100/21(x-2) 2.2/x+1-2=4/x 3.4/5x-1=2/1.100/19x=100/21(x-2)2.2/x+1-2=4/x3.4/5x-1=2/3x+1-3/2-x4.2/3x+2-1=4/2x-1-5/2x+16.2/3x+5=3/2x-17.-5/x-3=15/3x+48.4/3x+5-1=6/5y-79.3/5y+4+4/y-1=2-12/5y-5会哪题就答哪题
35道.符号^代表平方.读起来就是(X的平方).1,x^-x-202,x^-9x+203,x^-9x-204,x^+9x+205,x^-18x+326,x^+14x-317,x^+18x+328,x^+14x-329,x^+19x+4810,x^+47x-4811,x^+13x-4812,x^+2x-4813,x^+26x+4814,x^-22x-4815,x^+17x+7216,x^+21x-10017,x^-x-7218,x
19-2x=100-10x
请假一下可否用lingo如何求解下面的非线性0-1规划的解?目标函数是:f=300000/(4364.64*(x(1)+x(2)+x(3)+x(4)+x(5)+x(6))+10392*(x(7)+x(8)+x(9)+x(10)+x(11)+x(12)+x(13)+x(14)+x(15)+x(16)+x(17)+x(18)+x(19)+x(20)+x(21)+x(22)+x(23)+x(24
解分式方程:(5x-96)/(x-19)+(x-8)/(x-9)=(4x-19)/(x-6)+(2x-21)/(x-8)
解方程:5X-96/X-19+X-8/X-9=4X-19/X-6+2X+21/X-8
x*(21+x)=100x*(21+x)=100
(x-2)(x+1)(x+4)(x+7)=19
(x-2)(x+1)(x+4)(x+7)=19
19x/100*x=21/100*(x-2)答案是多少
1/X(X+1)+1/(X+1)(X+2)+1/(X+2)(X+3).+1/(X+99)(X+100)=
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)