Question

Calculați a, b c d dau coroana urgent va rog sa ma ajutați ​

Answer 1

Răspuns:

Explicație pas cu pas:

a) (13-1)/90-11/6=12/90-11/6=12/90-165/90=-153/90

b)4/10+9/5-51/2=(4+9x2-51x5)/10=(4+18-255)/10==-233/10

c)45/11-15/22+5/2=(45x2-15+5x11)/22=(90+55-15)/22=130/22

d)23/99-10/33-5/2=(23-30)/99-5/2=-7/99-5/2=-(7x2+5x99)/198=-509/198