oblicz 75% liczby a
a = 40
75%*40=0,75*40=30
75% liczby a to 30
a = 40 50% liczby a = 40 : 2 = 20 10% liczby a = 40 : 10 = 4 5% liczby a = (40 : 10) : 2 = 4 : 2 = 2 75% liczby a = 20 + (4*2) + 2 = 20 + 8 + 2 = 30 75% liczby a = 30
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75%*40=0,75*40=30
75% liczby a to 30
a = 40
50% liczby a = 40 : 2 = 20
10% liczby a = 40 : 10 = 4
5% liczby a = (40 : 10) : 2 = 4 : 2 = 2
75% liczby a = 20 + (4*2) + 2 = 20 + 8 + 2 = 30
75% liczby a = 30