Odpowiedź:
d)
3/4•4 = (skracam 4 z 4)
= 3/1 * 1=
= 3/1=
= 3
e)
10•7/10 = (skracam 10 z 10)
= 1 * 7/1 =
= 7/1=
= 7
f)
6/13•13 = (skracam 13 z 13)
= 6/1 * 1=
= 6/1=
= 6
g)
12•5/12 = (skracam 12 z12)
= 1 * 5/1 =
= 5/1=
= 5
h)
17/33•33 = (skracam 33 z 33)
= 17/1 * 1 =
= 17/1=
= 17
i)
15•8/15 = (skracam 15 z 15)
= 1 * 8/1 =
= 8/1=
= 8
Szczegółowe wyjaśnienie: