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a fost răspuns

Aflati a si b
[(a+116:2)• 3+4]•11=1991 si
(b:11-4):3-110:2=4 va rog imi trebuie repede

Răspuns :

Diana991
[(a +116:2)×3+4]×11=1991
[(a +58)×3+4]×11=1991
(3a +174+4) ×11=1991
(3a + 178)×11=1991
3a+178=1991:11
3a+178=181
3a=181-178
3a=3
a=1


( b:11 -4):3-110:2=4
(b:11-4):3-55=4
(b:11-4):3=59
b:11-4=177
b:11=181
b=1991


 

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