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Zlomky: Rovnosti a Operácie

The document contains a series of math problems involving adding, subtracting, and comparing fractions. It includes 9 parts with multiple steps in each part involving performing operations on fractions and determining if equations between fractions are true. The goal is to fill in the numerators or denominators of fractions based on whether equations between fractions are equal.

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jakubikvajda
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37 views3 pages

Zlomky: Rovnosti a Operácie

The document contains a series of math problems involving adding, subtracting, and comparing fractions. It includes 9 parts with multiple steps in each part involving performing operations on fractions and determining if equations between fractions are true. The goal is to fill in the numerators or denominators of fractions based on whether equations between fractions are equal.

Uploaded by

jakubikvajda
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Doplňte do čitateľa alebo menovateľa zlomku čísla, pre ktoré platí rovnosť zlomkov:

3 24 12 15 21
a) 4 = 12 = = = 20 = = 28 =

5 50 35 45 20
b) 7 = = 14 = = 49 = = 21 =

4 20 48 32 24
c) 5 = = 35 = = 55 = = 45 =

7 49 42 21 35
d) 8 = = 64 = = 40 = = 88 =

4 36 44 24 12
e) 9 = = 81 = = 45 = = 54 =

5 45 25 55 15
f) 6 = = 36 = = 42 = = 48 =

2 22 18 14 8
g) 7 = = 28 = = 49 = = 21 =

3 36 27 21 12
h) 5 = = 45 = = 55 = = 25 =

7 49 42 14 21
i)10 = = 100 = = 80 = = 90 =

Sčítanie a odčítanie zlomkov

a b c
7 1 7 1 5 2
9 - 3 = 8 - 4 = 6 + 3 =
7 1 9 1 5 1
15 - 5 = 15 - 3 = 12 - 3 =
11 3 5 1 4 1
15 + 5 = 8 + 2 = 9 - 3 =
6 1 11 1 1 2
15 - 3 = 70 + 7 = 2 + 7 =
7 1 5 1 3 3
16 - 4 = 8 - 4 = 4 - 5 =
4 3 8 2 7 3
5 - 4 = 21 - 7 = 16 + 8 =
2 1 13 2 2 1
3 - 2 = 18 - 3 = 3 - 4 =

3 1 1 1 4 1
5 + 2 = 4 - 6 = 9 - 6 =
1 1 12 2 7 3
4 - 7 = 25 - 5 = 8 - 4 =
7 1 3 1 13 1
8 - 2 = 12 + 2 = 14 - 2 =
13 2 13 2 17 2
9 - 3 = 12 - 3 = 15 - 3 =
11 1 5 1 7 1
16 - 4 = 6 - 4 = 10 - 4 =
9 1 12 1 3 1
10 - 5 = 15 - 5 = 4 - 5 =
5 1 17 1 13 1
9 - 6 = 36 - 6 = 12 - 6 =
11 2 2 1 18 2
14 - 7 = 3 - 7 = 49 - 7 =
11 2 7 1 11 1
16 + 4 = 12 - 8 = 20 - 8 =

a b c

3 1 2 3 1 2 3 1 7
+ + = + + = + + =
4 2 3 5 2 5 8 6 10

4 1 16 5 3 1 1 1 1
+ + = + + = + + =
9 3 27 6 8 4 3 5 2

3 2 1 1 5 2 5 12 1
+ + = + + = + + =
4 3 5 6 8 3 7 21 3

2 3 1 1 1 1 2 3 1
+ + = + + = + + =
3 5 7 2 3 4 3 2 10

1 3 9 5 2 1 3 11 5
+ − = + − = + − =
4 7 14 6 3 9 4 16 8

1 3 7 3 1 4 4 2 7
+ − = − + =¿ + − =
2 5 8 10 4 5 27 9 54

5 17 9 1 7 11 4 2 1
+ − = + − = + − =
8 28 14 6 12 18 9 5 9
1 8 3 5 3 5 3 1 1
+ − = + − = + − =
3 9 18 8 4 16 4 6 2

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