Odpowiedź:
Jak coś nie jasne to można pisać to wyjaśnię
Szczegółowe wyjaśnienie:
Zad.12
5/7 : 3 = 5/7 : 3/1 = 5/7 x 1/3 = 5/21
6 : 2 1/5 = 6/1 : 11/5 = 6/1 x 5/11 = 30/11 = 2 8/11
7 1/6 : 9 = 43/6 : 9/1 = 43/6 x 1/9 = 43/54
2/3 : 3/5 = 2/3 x 5/3 = 10/9 = 1 1/9
3 3/7 : 5/8 = 24/7 x 8/5 = 192/35 = 5 17/35
1 3/4 : 1 3/5 = 7/4 : 8/5 = 7/4 x 5/8 = 35/32 = 1 3/32
Zad.13
2/5 / 4/15 = 2/5 : 4/15 = 2/5 x 15/4 (skracamy) = 1/1 x 3/2 = 3/2 = 1 1/2
3/ 1/5 = 3 : 1/5 = 3/1 x 5/1 = 15/1 = 15
3/4 / 5 = 3/4 : 5/1 = 3/4 x 1/5 = 3/20
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Proszę bardzo jak coś służę pomocąOdpowiedź:
Jak coś nie jasne to można pisać to wyjaśnię
Szczegółowe wyjaśnienie:
Zad.12
5/7 : 3 = 5/7 : 3/1 = 5/7 x 1/3 = 5/21
6 : 2 1/5 = 6/1 : 11/5 = 6/1 x 5/11 = 30/11 = 2 8/11
7 1/6 : 9 = 43/6 : 9/1 = 43/6 x 1/9 = 43/54
2/3 : 3/5 = 2/3 x 5/3 = 10/9 = 1 1/9
3 3/7 : 5/8 = 24/7 x 8/5 = 192/35 = 5 17/35
1 3/4 : 1 3/5 = 7/4 : 8/5 = 7/4 x 5/8 = 35/32 = 1 3/32
Zad.13
2/5 / 4/15 = 2/5 : 4/15 = 2/5 x 15/4 (skracamy) = 1/1 x 3/2 = 3/2 = 1 1/2
3/ 1/5 = 3 : 1/5 = 3/1 x 5/1 = 15/1 = 15
3/4 / 5 = 3/4 : 5/1 = 3/4 x 1/5 = 3/20