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а) [tex] \frac{t}{3-t} [/tex] - [tex] \frac{3}{3-t} [/tex]
б) [tex] \frac{c+d}{c-d} [/tex] * [tex] \frac{c-d}{c(c+d)} [/tex]
в) [tex] \frac{a-b}{c+d} [/tex] : [tex] \frac{3(a-b)}{a(c+d)} [/tex]
г) [tex] \frac{(3a)^{2} }{(4b)} [/tex]
а) [tex] \frac{t}{3-t} [/tex] - [tex] \frac{3}{3-t} [/tex]
б) [tex] \frac{c+d}{c-d} [/tex] * [tex] \frac{c-d}{c(c+d)} [/tex]
в) [tex] \frac{a-b}{c+d} [/tex] : [tex] \frac{3(a-b)}{a(c+d)} [/tex]
г) [tex] \frac{(3a)^{2} }{(4b)} [/tex]
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Verified answer
Verified answer
1) t/(3-t)-3/(3-t)=(t-3)/(3-t)=-12/ (c+d)/(c-d)*(c-d)/c(c+d)=1/c
3) (a-b)/(c+d) : 3(a-b)/a(c+d) = (a-b)/(c+d) *a(c+d)/3(a-b)=a/3
4) (3a/4b)^2=9a^2/16b^2