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Mg=4,1(6) a=3,47(2) Cat este "b"?


Răspuns :

mg=4,1(6)=(416-41)/90=375/90=25/6
a=3,47(2)=(3472-347)/900=3125/900=125/36

mg=√a×b
25/6=√125/36×b
625/36=125/36 ×b
b=625/36 :125/36
b=625/36 ×36/125
b=5