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(1/5+1/2+1/10)*a=b/5+9*c/10+3*e/5+3*j/20 (1/5+3/10+7/10)*b=a/5+3*c/20 (3/10+2/5)*c=3*b/20+2*d/5+9*a/10 (7/10+2/5)*d=2*c/5 (1/2+3/5)*e=3*a/5+4*f/5 (3/5+4/5)*f=4*e/5+7*j/10 (1/10+4/5)*j=7*f/10+3*a/20 a+b+c+d+e+f+j=1

Дано $$frac{4 a}{5} = frac{b}{5} + frac{9 c}{10} + frac{3 e}{5} + frac{3 i}{20}$$ 6*b a 3*c — = – + — 5 5 20 $$frac{6 b}{5} = frac{a}{5} + frac{3 c}{20}$$ 7*c 3*b 2*d 9*a — = — +…

i1*(250+650+250)+i2*250+i3*650=300 i2*(410+250+360+730)+i1*250-i3*360-7*410=600 i3*(650+710+120+360)-i2*360+8*360=0

Дано $$650 i_{3} + 1150 i_{1} + 250 i_{2} = 300$$ i2*1750 + i1*250 – i3*360 – 2870 = 600 $$- 360 i_{3} + 250 i_{1} + 1750 i_{2} – 2870 = 600$$ i3*1840 – i2*360 + 2880 = 0…

x*(1/50+1/5+1/20)-y*1/50=30 y*(1/10+1/50+1/40)-x*1/50=10

Дано $$frac{27 x}{100} – frac{y}{50} = 30$$ y*29 x —- – — = 10 200 50 $$- frac{x}{50} + frac{29 y}{200} = 10$$ Подробное решение Дана система ур-ний$$frac{27 x}{100} – frac{y}{50} = 30$$$$- frac{x}{50} + frac{29 y}{200} = 10$$ Из…

n*k=210 n^2+k^2=421

Дано $$k^{2} + n^{2} = 421$$ Ответ $$k_{1} = -15$$=$$-15$$= -15 $$n_{1} = -14$$=$$-14$$= -14 $$k_{2} = -14$$=$$-14$$= -14 $$n_{2} = -15$$=$$-15$$= -15 $$k_{3} = 14$$=$$14$$= 14 $$n_{3} = 15$$=$$15$$= 15 $$k_{4} = 15$$=$$15$$= 15 $$n_{4} = 14$$=$$14$$= 14 Численный…

sqrt(x*1/y)=100 1/(2*157*sqrt(x*y)/50)=3000000

Дано $$sqrt{frac{x}{y}} = 100$$ 1 ————- = 3000000 / _____ |314*/ x*y | |———–| 50 / $$frac{1}{frac{1}{50} cdot 314 sqrt{x y}} = 3000000$$ Ответ $$x_{1} = – frac{1}{188400}$$=$$- frac{1}{188400}$$= -5.30785562632696e-6 $$y_{1} = – frac{1}{1884000000}$$=$$- frac{1}{1884000000}$$= -5.30785562632696e-10 $$x_{2} = frac{1}{188400}$$=$$frac{1}{188400}$$= 5.30785562632696e-6…

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