1.1/8:5/8=x:24 2.3/4:x=3:12

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1.1/8:5/8=x:242.3/4:x=3:121.1/8:5/8=x:242.3/4:x=3:121.1/8:5/8=x:242.3/4:x=3:12(1)1/8:5/8=x:24内项乘内项,外

1.1/8:5/8=x:24 2.3/4:x=3:12
1.1/8:5/8=x:24 2.3/4:x=3:12

1.1/8:5/8=x:24 2.3/4:x=3:12
(1)1/8:5/8=x:24
内项乘内项,外项乘外项得5/8x=3,x=24/5
(2)3/4:x=3:12
内项乘内项,外项乘外项得3x=9,x=3

1.1/8:5/8=x:24 的1.1:5=x:24 ,x1.1*2.4/5=0.528
2.3/4:x=3:12的2.3/4:x=3:12=1/4,x=2.3

1.1比5=x比24
x=4.8
2.3比x=12比12
x=3

x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 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)); (16x-13)/(4x-3)-(20x-24)/(4x-5)=(32x-30)/(8x-7)-(40x-43)/(8x-9)求x 解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1 x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=? *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? x²+x-1=0 2.3x²+6x-1=0 3.2x²-5x-4=0 4.3x²-9x+2=0 5.3x²+9=12 6.x²-8x=84 7.x²-2x-399=0 8.﹣3x²+22x-24=0 9.2x²-6=x-3 10.3x²+10x+5=0 (5/x²-3x-4)+(4/x²-5x-6)-(8/x²-10x+24)=? 一元二次方程解答!x(5x+4)=5x+44x^2-45=31x-3x^2+22x-24=0(x+8)(x+1)= -12(3x+2)(x+3)=x+14 x-8/x-4=2-x-5/x-7 解方程(12x-10)/(4x-3)+(32x-34)/(8x-9)=(24x-23)/(8x-7)+(16x-19)/(4x-5) 12x-10/4x-3 + 32x-34/8x-9 = 24x-23/8x-7 + 16x-19/4x-5 (16x-13)/(4x-3)+(40x-43)/(8x-9)=(32x-30)/(8x-7)+(20x-24)/(4x-5).... (16x-13)/(4x-3)+(40x-43)/(8x-9)=(32x-30)/(8x-7)+(20x-24)/(4x-5) 初二分式方程x+3/x+4+x+8/x+9=x+4/x+5+x+7/x+8解(x+3/x+4)+(x+8/x+9)=(x+4/x+5)+(x+7/x+8) 解分式方程:(x-4)/(x-5)+(x-8)/(x-9)=(x-7)/(x-8)+(x-5)/( x-6)