Odpowiedź:
a)
1/4 * 1,6 =
= 25/100 * 1,6 =
= 0,25* 1,6 =
= 9,4
3,6 * 1/3 =
= 3 i 6/10 * 1/3=
= 36/10 * 1/3=
= 12/10 * 1/1=
= 12/10=
= 6/5=
= 1 i 1/5
1/6 * 0,12=
= 1/6 * 12/100 =
= 1/1 * 2/100 =
= 2/100
2 i 1/5 * 1,5=
= 2 i 2/10 * 1,5=
= 2,2 * 1,5=
= 3,3
0,4 * 3 i 3/4=
= 0,4 * 3 i 75/100 =
= 0,4 * 3,75 =
= 1,5
b)
4/7 : 3,2 =
=4/7 : 3 i 2/10 =
=4/7 : 32/10 =
= 4/7 * 10/32=
= 1/7 * 10/8 =
= 10/56=
= 5/28
1,8 : 2/5 =
= 1 i 8/10 * 5/2=
= 18/10 * 5/2=
= 9/2 * 1/1=
= 9/2=
= 4 i 1/2
2,4 : 1/2=
= 2,4 : 5/10 =
= 2,4 : 0,5=
= 4,8
5,5 : 2 i 3/4=
= 5,5 : 2 i 75/100 =
= 5,5 : 2,75
= 2
2 i 1/4 : 0,75 =
= 2 i 25/100 : 0,75 =
= 2,25 : 0,75 =
= 3
Szczegółowe wyjaśnienie:
