Zadanie 3
a)
4/5 + 1/10 = 8/10 + 1/10 = 9/10
b)
1/6 + 2/3 = 1/6 + 4/6 = 5/6
c)
2/3 + 1/5 = 10/15 + 3/15 = 13/15
d)
4/7 + 1/2 = 8/14 + 7/14 = 15/14 = 1 1/14
e)
8/9 - 1/3 = 8/9 - 3/9 = 5/9
f)
3/10 - 1/5 = 3/10 - 2/5 = 1/10
g)
4/5 - 2/3 = 12/15 - 10/15 = 2/15
h)
5/7 - 1/4 = 20/28 - 7/28 = 13/28
i)
2 2/5 + 3 1/2 = 12/5 + 7/2 = 24/10 + 35/10 = 59/10 = 5 9/10
j)
4 3/7 + 2 2/3 = 28/7 + 8/3 = 112/21 + 56/21 = 168/21 = 8
k)
2 3/8 + 1 1/6 = 19/8 + 7/6 = 57/24 + 28/24 = 85/24 = 3 13/24
l)
4 1/2 + 2 3/5 = 9/2 + 13/5 = 45/10 + 26/10 = 71/10 = 7 1/10
m)
4 1/4 - 2 2/3 = 17/4 - 8/3 = 51/12 - 32/12 = 19/12 = 1 7/12
n)
5 1/9 - 1 5/6 = 46/9 - 11/6 = 92/18 - 33/18 = 59/18 = 3 5/18
o)
3 1/15 - 1 1/10 = 46/15 - 11/10 = 92/30 - 33/30 = 59/30 = 1 29/30
p)
5 5/13 - 3 1/2 = 70/13 - 7/2 = 140/26 - 91/26 = 49/26 = 1 23/26
Mam nadzieję że pomogłem :D
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