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Arbetsblad: Bråk
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Bråk
Nivå 3 · Multiplikation och division
Namn
Klass
Beräkna. Svara i enklaste form.
1.
1
2
⋅
1
3
=
‾
\frac{1}{2} \cdot \frac{1}{3} = \underline{\hspace{4.5em}}
2
1
⋅
3
1
=
2.
1
2
⋅
2
5
=
‾
\frac{1}{2} \cdot \frac{2}{5} = \underline{\hspace{4.5em}}
2
1
⋅
5
2
=
3.
1
5
⋅
5
7
=
‾
\frac{1}{5} \cdot \frac{5}{7} = \underline{\hspace{4.5em}}
5
1
⋅
7
5
=
4.
5
6
/
1
2
=
‾
\frac{5}{6} / \frac{1}{2} = \underline{\hspace{4.5em}}
6
5
/
2
1
=
5.
3
4
/
1
8
=
‾
\frac{3}{4} / \frac{1}{8} = \underline{\hspace{4.5em}}
4
3
/
8
1
=
6.
2
3
/
4
7
=
‾
\frac{2}{3} / \frac{4}{7} = \underline{\hspace{4.5em}}
3
2
/
7
4
=
7.
10
⋅
1
9
=
‾
10 \cdot \frac{1}{9} = \underline{\hspace{4.5em}}
10
⋅
9
1
=
8.
6
⋅
9
11
=
‾
6 \cdot \frac{9}{11} = \underline{\hspace{4.5em}}
6
⋅
11
9
=
9.
1
1
3
+
2
1
2
=
‾
1\tfrac{1}{3} + 2\tfrac{1}{2} = \underline{\hspace{4.5em}}
1
3
1
+
2
2
1
=
10.
2
5
6
⋅
3
1
5
=
‾
2\tfrac{5}{6} \cdot 3\tfrac{1}{5} = \underline{\hspace{4.5em}}
2
6
5
⋅
3
5
1
=
Facit
Bråk · Nivå 3 · Multiplikation och division
1.
1
6
\frac{1}{6}
6
1
2.
1
5
\frac{1}{5}
5
1
3.
1
7
\frac{1}{7}
7
1
4.
5
3
=
1
2
3
\frac{5}{3} = 1\tfrac{2}{3}
3
5
=
1
3
2
5.
6
6
6
6.
7
6
=
1
1
6
\frac{7}{6} = 1\tfrac{1}{6}
6
7
=
1
6
1
7.
10
9
=
1
1
9
\frac{10}{9} = 1\tfrac{1}{9}
9
10
=
1
9
1
8.
54
11
=
4
10
11
\frac{54}{11} = 4\tfrac{10}{11}
11
54
=
4
11
10
9.
23
6
=
3
5
6
\frac{23}{6} = 3\tfrac{5}{6}
6
23
=
3
6
5
10.
136
15
=
9
1
15
\frac{136}{15} = 9\tfrac{1}{15}
15
136
=
9
15
1
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