House of Math-logo
Logg inn
Tilbake til Brøk

5.1)

Regn ut og forkort så mye som mulig.

a)
3 ⋅ 4 6
b)
5 ⋅ 3 5
c)
6 ⋅ 4 12
d)
2 ⋅ 9 3
e)
8 4 ⋅ 5
f)
4 3 ⋅ 12
g)
4 6 ⋅ 9
h)
14 8 ⋅ 4

a)
3 ⋅ 4 6
b)
5 ⋅ 3 5
c)
6 ⋅ 4 12
d)
2 ⋅ 9 3
e)
8 4 ⋅ 5
f)
4 3 ⋅ 12
g)
4 6 ⋅ 9
h)
14 8 ⋅ 4

5.2)

Regn ut og forkort så mye som mulig.

a)
3 5 ⋅ 2 3
b)
2 7 ⋅ 1 2
c)
1 2 ⋅ 1 3
d)
5 2 ⋅ 2 5
e)
6 11 ⋅ 2 3
f)
5 8 ⋅ 9 2
g)
6 4 ⋅ 2 4
h)
10 13 ⋅ 1 4
i)
4 9 ⋅ 6 8
j)
20 25 ⋅ 5 2

a)
3 5 ⋅ 2 3
b)
2 7 ⋅ 1 2
c)
1 2 ⋅ 1 3
d)
5 2 ⋅ 2 5
e)
6 11 ⋅ 2 3
f)
5 8 ⋅ 9 2
g)
6 4 ⋅ 2 4
h)
10 13 ⋅ 1 4
i)
4 9 ⋅ 6 8
j)
20 25 ⋅ 5 2

5.3)

Forkort så mye som mulig (Hint: Primtallsfaktoriser).

a)
16 7 ⋅ 21 256
b)
15 9 ⋅ 27 40
c)
13 18 ⋅ 36 26
d)
24 85 ⋅ 51 42
e)
56 57 ⋅ 38 24
f)
24 1440 ⋅ 360 3 ⋅ 336 360
g)
2 5 ⋅ 5 3 ⋅ 3 7 ⋅ 7 2
h)
11 12 ⋅ 3 7 ⋅ 7 11 ⋅ 12 3
i)
6 8 ⋅ 9 10 ⋅ 10 12 ⋅ 16 20
j)
22 5 ⋅ 1 7 ⋅ 1 11 ⋅ 1 3
k)
2 7 ⋅ 3 8 ⋅ 3 10 ⋅ 4 6
l)
4 3 ⋅ 2 6 ⋅ 10 3 ⋅ 11 9

a)
16 7 ⋅ 21 256
b)
15 9 ⋅ 27 40
c)
13 18 ⋅ 36 26
d)
24 85 ⋅ 51 42
e)
56 57 ⋅ 38 24
f)
24 1440 ⋅ 360 3 ⋅ 336 360
g)
2 5 ⋅ 5 3 ⋅ 3 7 ⋅ 7 2
h)
11 12 ⋅ 3 7 ⋅ 7 11 ⋅ 12 3
i)
6 8 ⋅ 9 10 ⋅ 10 12 ⋅ 16 20
j)
22 5 ⋅ 1 7 ⋅ 1 11 ⋅ 1 3
k)
2 7 ⋅ 3 8 ⋅ 3 10 ⋅ 4 6
l)
4 3 ⋅ 2 6 ⋅ 10 3 ⋅ 11 9

Du kan finne fasit her.

Bootcamps

Vil du se animasjonsvideoer og løse interaktive oppgaver om brøk? Trykk her for å prøve Bootcamps!

Vil du vite mer?Registrer degDet er gratis!
Pil som peker til venstreForrige oppslag
Multiplikasjon av brøker og tall
Neste oppslagPil som peker til høyre
Divisjon av brøker og tall