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Marinelacaliniu
a fost răspuns

Afla suma a+b+c+d,stiind ca: a+17=32 35+c=51 b-18=23 71-d=58

Răspuns :

BrainlyBoy19
A+17=32=>A=32-17=>A=15
B-18=23=>B=23+18=> B=41
35+C=51=>C=51-35=>C=16
71-D=58=>D=71-58=>D=13
15+41+16+13=56+29=85