Question

cho a/b=10/3    ( phân số). tình 3a-2b/a-3b

Answer 1

\(\frac{3a-2b}{a-3b}=\frac{\frac{3a}{b}-\frac{2b}{b}}{\frac{a}{b}-\frac{3b}{b}}=\frac{3.\frac{a}{b}-2}{\frac{a}{b}-3}=\frac{\frac{3.10}{3}-2}{\frac{10}{3}-3}=\frac{8}{\frac{1}{3}}=24\)

Answer 2

ai giup toi diiiiiiiii ma

 

Answer 3

Thay a = 10 b = 3 , ta có : 3.10-2.3/10-3.3 = 30 - 6 / 10-9 = 24/1 = 24