Oblicz.
a) 3 i 5/12 +1 2/5 + 3/10
b) 10 i 1/8 + 2 i 1/6 + 1/4
c) 9 i 17/36 + 14 i 11/24
d) 2 i 1/8 + 6 i 3/7 + 5 i 8/21
e) 9

Oblicz.
a) 3 i 5/12 +1 2/5 + 3/10 = 5 i 7/60
b) 10 i 1/8 + 2 i 1/6 + 1/4 = 12 i 13/24
c) 9 i 17/36 + 14 i 11/24 = 23 i 67/72
d) 2 i 1/8 + 6 i 3/7 + 5 i 8/21 = 13 i 109/168
e) 9 i 7/16 - 6 i 9/20 = 2 i 79/80
f) 5 i 1/18 - 4 i 11/24 = 43/72
g) 4 i 1/24 - 3 i 17/40 = 37/60
h) 4 i 1/5 + 2 i 1/6 - 3 i 2/3 = 2 i 21/30
Pamiętaj o kolejności wykonywania działań.
i) 9 i 7/12 - 7 i 4/15 + 2 i 3/4 - 1 i 11/20 = 3 i 31/60
j) 20 - (17 i 3/20 + 1 i 13/15) = 59/60
k) 30 i 5/12 - (13 i 1/8 - 10 i 5/6 = 11/12