Odpowiedź:
a 2, 1/2
b 7, 1/4
c 9, 4/7
d 6, 5/6
e 4, 3/10
f 9, 8/10
g 5, 5/8
h 6, 1/6
a)
3 - 1/2 = 2 + 2/2 = 2 1/2
b)
8 - 3/4 = 7 1/4
c)
10 - 3/7 = 9 + 7/7 - 3/7 = 9 4/7
d)
7 - 1/6 = 6 5/6
e)
5 - 7/10 = 4 3/10
f)
10 - 2/10 = 9 8/10 = 9 4/5
albo
10 - 2/10 = 10 - 1/5 = 9 4/5
g)
6 - 3/8 = 5 5/8
h)
7 - 5/6 = 6 1/6
i)
9 - 3/11 = 8 8/11
j)
6 - 5/12 = 5 7/12
k)
8 - 4/9 = 7 5/9
l)
10 - 5/7 = 9 2/7
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Odpowiedź:
a 2, 1/2
b 7, 1/4
c 9, 4/7
d 6, 5/6
e 4, 3/10
f 9, 8/10
g 5, 5/8
h 6, 1/6
Odpowiedź:
a)
3 - 1/2 = 2 + 2/2 = 2 1/2
b)
8 - 3/4 = 7 1/4
c)
10 - 3/7 = 9 + 7/7 - 3/7 = 9 4/7
d)
7 - 1/6 = 6 5/6
e)
5 - 7/10 = 4 3/10
f)
10 - 2/10 = 9 8/10 = 9 4/5
albo
10 - 2/10 = 10 - 1/5 = 9 4/5
g)
6 - 3/8 = 5 5/8
h)
7 - 5/6 = 6 1/6
i)
9 - 3/11 = 8 8/11
j)
6 - 5/12 = 5 7/12
k)
8 - 4/9 = 7 5/9
l)
10 - 5/7 = 9 2/7
Szczegółowe wyjaśnienie: