1.Oblicz. ( * to jest razy, a / to kreska ułamkowa)
a) 3/4 * 6 =
3 * 2/3 =
b) 4 * 5/6 =
5/14 * 21 =
c) 2 i 1/2 * 6 =
5 * 1 i 3/10 =
d) 10 * 1 i 1/4 =
2 i 3/8 * 4 =
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a) 3/4 * 6 =4.5
3 * 2/3 =2
b) 4 * 5/6 =3 i 1/3
5/14 * 21 =22,5
c) 2 i 1/2 * 6 =15
5 * 1 i 3/10 =6,5
d) 10 * 1 i 1/4 =12,5
2 i 3/8 * 4 =9,5
a) 3/4 * 6 = 4,5
3 * 2/3 = 2
b) 4 * 5/6 = 3 i 1/3
5/14 * 21 = 22,5
c) 2 i 1/2 * 6 = 15
5 * 1 i 3/10 = 6,5
d) 10 * 1 i 1/4 = 12,5
2 i 3/8 * 4 = 9,5