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determina numarul A, daca A - B -C= 102.107, stiind ca:
b=32.074+17.195;
c=b-19.276


Răspuns :

A - B -C= 102.107, stiind ca:
b=32.074+17.195
b=49269
c=b-19.276
c=49269 - 19.276
c=29993
a-b-c=102107
a-49269-29993=102107
a-49269=102107+29993
a-49269=132100
a=132100+49269
a=181369
a-b-c=102107 deci 
181369 - 49269-29993=102107