Question

am nevoie rapit ma puteti ajuta vrog plizzz​

Answer 1

Răspuns:

(2/9+7/9)-3/4=9/9-3/4=6/5

Answer 2

Răspuns:

a)$(\frac{2}{9}+\frac{7}{9})-\frac{3}{4}=1-\frac{3}{4}=\frac{1}{4}$

b)$(2\frac{1}{4}*\frac{3}{11}):\frac{9}{11}=(\frac{1}{2}*\frac{3}{11})*\frac{11}{9}=\frac{3}{2*11}*\frac{11}{9}=\frac{1}{6}$