👤

prosze o pomoc !!!!!!!!!!!!!!!!!!!!!!!!!! plisss !!!!!!!!!!!!!!!!!!
1) 2 2/5 : 3 + 4 4/5 :2 2/5=
2) (1/2 = 2/5) * ( 3/4 - 1/5)=
3) 4- (2 1/2 - 1 1/5) * 9/13=