Cześć!
Odpowiedź:
a) 3 • 7/8 = 3/1 • 7/8 = 21/8 = 2 5/8
b) 8/7 • 3 = 8/7 • 3/1 = 24/7 = 3 3/7
c) 2 • 1 1/7 = 2/1 • 8/7 = 16/7 = 2 2/7
d) 2 1/5 •3 = 11/5 • 3/1 = 33/5 = 6 3/5
e) 5 • 10 1/2 = 5/1 • 21/2 = 105/2 = 52 1/2
f) 10 • 8 2/3 = 10/1 • 26/3 = 260/3 = 86 2/3
g) 5 • 7/10 = 5/1 • 7/10 = 35/10 = 3 5/10
h) 2/7 • 14 = 2/7 • 14/1 = 28/7 = 4
i) 2/18 • 12 = 2/18 • 12/1 = 24/18 = 1 6/18
j) 4 • 5 5/12 = 4/1 • 65/12 = 260/12 = 21 8/12
k) 6 2/8 • 6 = 50/8 • 6/1 = 300/8 = 37 4/8
l) 3 • 5 5/6 = 3/1 • 35/6 = 105/6 = 17 3/6
Pozdrawiam.
