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Fakta
Fakta
s1
S2
S3
s4
s5
s6
s7
s8
s9
s10
s11
s12
s13
s14
s15
s16
s17
s18
s19
s20
Samlet resultat
Fakta
Rækkefølge er gange og derefter lægge sammen
Eksempel: 1⋅3+3⋅2= 3+6=9 idet man først ganger 1 med 3, derefter ganger 3 med 2 og tilsidst lægger man resultat af fangestykkerne sammen
.
Reducer
4⋅5+5⋅2=
.
Reducer
3⋅6+4⋅2=
.
Reducer
1⋅4+1⋅7=
.
Reducer
8⋅4+7⋅2=
.
Reducer
4⋅9+7⋅3=
.
Reducer
10⋅6+2⋅8=
.
Reducer
10⋅7+10⋅2=
.
Reducer
2⋅9+7⋅2=
.
Reducer
5⋅5+7⋅7=
.
Reducer
2⋅6+6⋅3=
.
Reducer
6⋅6+4⋅9=
.
Reducer
8⋅8+4⋅4=
.
Reducer
1⋅4+1⋅5=
.
Reducer
2⋅10+4⋅10=
.
Reducer
2⋅8+4⋅4=
.
Reducer
9⋅9+3⋅3=
.
Reducer
4⋅3+7⋅2=
.
Reducer
2⋅3+10⋅5=
.
Reducer
2⋅8+7⋅2=
.
Reducer
8⋅7+3⋅5=
.
Sum af to produkter (2)
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Dit svar
Tjek
s1
s2
s3
s4
s5
s6
s7
s8
s9
s10
s11
s12
s13
s14
s15
s16
s17
s18
s19
s20
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