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Calculeaza Respectand Ordinea Efectuari Operatiilor


Calculeaza Respectand Ordinea Efectuari Operatiilor

calculeaza a+b+c=100 a+b=70 a+c=80

1. calculeaza a+b+c=100 a+b=70 a+c=80


a+b+c = 100
a+b     = 70
a+c     = 80
jawab:

a+b+c=100
a=100-b-c

a+b=70
b=70-a

a=100-b-c
a=100-(70-a)-c
a=100-70+a-c
a-a+c=30
c=30

a+c=80
a+30=80
a=80-30
a=50

a+b=70
50+b=70
b=70-50
b=20

semoga membantu :)



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