Question

Oblicz w pamięci :
a) 3/6 + 2/6 = ...
b) 1cala i 5/8 + 2 cale i 3/8 = ...
c) 6 calych - 2/7 = ...
d) 1/4 - 1/8 = ...
e) 6 calych i 1/2 - 1 cala i 1/4 = ...
f) 5 calych - 3 cale i 3/7 = ...
POMOCY ! DAM NAJ ;}

Answer 1

a). 5/6

b). 4

c). 5calych i 5/7

d).1/8

e). 4cale i 3/4

f). 1cala i 4/7

Answer 2

a) 3/6 + 2/6 =5/6
b) 1cala 5/8 + 2cale 3/8= 3 cale 8/8 = 4 cale 
c) 6calych-2/7= 5calych 7/7 - 2/7 = 5calych 5/7
d) 1/4- 1/8 =  2/8 - 1/8 = 1/8
e) 6 calych 1/2 - 1cala 1/4 = 5 calych 1/2 - 1/4 = 5 calych 1/4 - 2/4 =4 cale 3/4 
f) 5 calych -3 cale 3/7 = 4 cale 7/7 - 3cale 3/7 = 1 cala 4/7  


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