oblicz, jaka część liczby a stanowi liczba b
a) a=4, b=3
b)a=2, b=4,5
c)a=100, b=12 1/4
d)a=1 1/3, b=1,375
e) a=3/8, b=1,2
f) a=2 2/3 b=1 1/15
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a) b : a = 3 : 4 = 3/4
b) b : a = 4,5 : 2 = 2,25
c) b : a = 12 1/4 : 100 = 49/4 : 100 = 49/400
d) b : a = 1,375 : 1 1/3 = 1 3/8 : 4/3 = 11/8 * 3/4 = 33/32
e) b : a = 1,2 : 3/8 = 12/10 * 8/3 = 96/30 = 32/10 = 16/5
f) b : a = 1 1/15 : 2 2/3 = 16/15 : 8/3 = 16/15 * 3/8 = 48/120 = 2/5