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Arbejdsark: Brøker
Sådan ser udskriften ud
Brøker
Niveau 3 · Gange og division
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Udregn. Forkort svaret mest muligt.
1.
1
4
⋅
2
3
=
‾
\frac{1}{4} \cdot \frac{2}{3} = \underline{\hspace{4.5em}}
4
1
⋅
3
2
=
2.
2
3
⋅
1
10
=
‾
\frac{2}{3} \cdot \frac{1}{10} = \underline{\hspace{4.5em}}
3
2
⋅
10
1
=
3.
1
2
⋅
1
8
=
‾
\frac{1}{2} \cdot \frac{1}{8} = \underline{\hspace{4.5em}}
2
1
⋅
8
1
=
4.
1
4
:
1
3
=
‾
\frac{1}{4} \,:\, \frac{1}{3} = \underline{\hspace{4.5em}}
4
1
:
3
1
=
5.
2
5
:
1
3
=
‾
\frac{2}{5} \,:\, \frac{1}{3} = \underline{\hspace{4.5em}}
5
2
:
3
1
=
6.
1
2
:
4
5
=
‾
\frac{1}{2} \,:\, \frac{4}{5} = \underline{\hspace{4.5em}}
2
1
:
5
4
=
7.
8
⋅
1
2
=
‾
8 \cdot \frac{1}{2} = \underline{\hspace{4.5em}}
8
⋅
2
1
=
8.
4
⋅
1
2
=
‾
4 \cdot \frac{1}{2} = \underline{\hspace{4.5em}}
4
⋅
2
1
=
9.
3
1
2
⋅
3
1
4
=
‾
3\tfrac{1}{2} \cdot 3\tfrac{1}{4} = \underline{\hspace{4.5em}}
3
2
1
⋅
3
4
1
=
10.
1
1
4
+
1
1
2
=
‾
1\tfrac{1}{4} + 1\tfrac{1}{2} = \underline{\hspace{4.5em}}
1
4
1
+
1
2
1
=
Facitliste
Brøker · Niveau 3 · Gange og division
1.
1
6
\frac{1}{6}
6
1
2.
1
15
\frac{1}{15}
15
1
3.
1
16
\frac{1}{16}
16
1
4.
3
4
\frac{3}{4}
4
3
5.
6
5
=
1
1
5
\frac{6}{5} = 1\tfrac{1}{5}
5
6
=
1
5
1
6.
5
8
\frac{5}{8}
8
5
7.
4
4
4
8.
2
2
2
9.
91
8
=
11
3
8
\frac{91}{8} = 11\tfrac{3}{8}
8
91
=
11
8
3
10.
11
4
=
2
3
4
\frac{11}{4} = 2\tfrac{3}{4}
4
11
=
2
4
3
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