Obliczanie procentu z danej liczby
1)2/5 z 22
2)3/4 z 136
3)7/15 z 250
4)8/5 z 56
5)1,2 z 3,45
6) 5/6 z 12 1/2
7)7/10 z 13 1/3
8)1 1/5 z 3 4/5
9)21/25 z 200
10)1,5 z 1,56
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1)2/5 z 22 = 0,4 * 22 = 8,8
2)3/4 z 136 = 0,75 * 136 = 102
3)7/15 z 250 = 7/15*250 = 1750/15 = 116,7
4)8/5 z 56 = 1,6 * 56 = 89,6
5)1,2 z 3,45 = 1,2 * 3,45 = 4,14
6) 5/6 z 12 1/2 = 5/6 * 25/2 = 125/12 = 10 5/12
7)7/10 z 13 1/3 = 7/10 * 40/3 = 28/3 = 9 1/3
8)1 1/5 z 3 4/5 = 6/5 * 19/5 = 114/25 = 4 14/25
9)21/25 z 200 = 21/25 * 5000/25 = 4200/25 = 168
10)1,5 z 1,56 = 1,5 * 1,56 = 15/10 * 156/100 = 2340/1000 = 2,34