Question

(3/50-11/25):(2/15+3/25)•(1•2+5/5-1/2)•1•1+9/9=
Va rog frumos!

Answer 1

Răspuns:

(3/50-22/50):(10/75+9/75)•(2+1-1/2)•1+1=

=-21/50÷19/75•(3-1/2)•1+1=

=-21/50•75/19•(6/2-1/2)•1+1=

=-21/2•3/19•5/2+1=-315/76+1=

=-315/76+76/76=-239/76