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2014-08-29T11:59:26+03:00
A·8=b·4.5
(a+b)/2=200⇒a+b=400⇒a=400-b
media geometrica(mg)=√(a·b)
a·8=b·4.5
(400-b)·8=b·4.5
3200-8·b-4.5·b=0
b(8+4.5)=3200
b·12.5=3200
b=256⇒a=400-256=144
√(a·b)=√(144·256)=√(12²·16²)=12·16=192
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