oblicz jaki procent liczby b stanowi liczba a.
a) a= 15, b=20
b)a=48, b=64
c)a=40, b=64
d)a=980, b=1000
e)a=240, b=80
f)a=2, b=1900
g)a=380, b=200
h)a=125, b=890
i)a=100, b=78
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a) (15/20)*100%=75%
b)75%
c)62,5
d)98%
e)300%
f)0,1052~0,1
g)190%
h)14,0449~14
i)128,2051~128,2