👤

aflati numerele a si b din egalitatile:
a)   paranteza dreapta ( a +116/2)*3+4 anchidem paranteza dreapta *11=1991
si cea dea doua 
b) (b/11-4)/3-110/2=4 va rog mult


Răspuns :

1. ((a+116/2)*3+4 )*11=1991
2. (b/11-4)/3-110/2=4

1.) (a+58)*3+4=1991/11
3a+174+4=181
3a=181-178
3a=3
a=1.

2.)  (b/11-4)/3-110/2=4
((b-44)/11)/3 - 55=4
((b-44)/11)/3=51
(b-44)/11=153
b-44=1683
b=1683+44
b=1727

R: a=1 b= 1727