Odpowiedź:
1,4 * 3 i 4/7 =
= 1 i 4/10 * 25/7 =
= 1 i 2/5 * 25/7 =
= 7/5 * 25/7 =
= 1/1 * 5/1 =
=5/1 =
= 5
0,8 - 1/6 =
= 8/10 - 1/6=
= 24/30 - 5/30 =
= 19/30
4,8 : 8/15 =
= 4 i 8/10 : 8/15=
= 4 i 4/5 * 15/8 =
= 24/5 * 15/8 =
= 3/1 * 3/1=
= 9/1=
= 9
Szczegółowe wyjaśnienie:
