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Sammensætning af regnearterne - VUC Aarhus

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Matematik på AVU<br />

Opgaver til niveau G<br />

Gange og division<br />

9: Passer lighedstegnene<br />

a: 5⋅ 4 = 4 ⋅ 5<br />

b: 10 : 5 = 5 : 10<br />

c: 10 ⋅ 3 = 3⋅ 10<br />

d: 12 : 3 = 3 : 12<br />

e: 4 : 2 ⋅ 3 = 4 ⋅ 3 : 2<br />

f: 4 ⋅ 5 : 2 = 2 ⋅ 5 : 4<br />

10: Hvilke regnestykker er ens<br />

a: 12 : 4 ⋅ 2<br />

b: 12 ⋅ 4 : 2<br />

c: 12 ⋅ 2 : 4<br />

d: 12 : 2 ⋅ 4<br />

e: 4 : 2 ⋅ 12<br />

f: 2 ⋅ 12 : 4<br />

g: 2 : 4 ⋅ 12<br />

Regn også regnestykkerne!<br />

12: Hvilke regnestykker er ens<br />

a: 100 : 5⋅<br />

10 : 2<br />

b: 100 :10 ⋅ 5 : 2<br />

c: 100 : 2 ⋅ 10 : 5<br />

d: 5⋅ 100 : 2 : 10<br />

e: 2 ⋅ 100 : 5 : 10<br />

f: 100 :10 : 5⋅<br />

2<br />

g: 2 ⋅ 5⋅10 : 100<br />

Regn også regnestykkerne!<br />

11: Hvilke regnestykker er ens<br />

a: 20 : 5 ⋅ 2<br />

b: 20 ⋅ 2 : 5<br />

c: 20 : 2 ⋅ 5<br />

d: 20 ⋅ 5 : 2<br />

e: 5 ⋅ 20 : 2<br />

f: 2 ⋅ 20 : 5<br />

g: 2 : 5 ⋅ 20<br />

Regn også regnestykkerne!<br />

13: Hvilke regnestykker er ens<br />

a: 6 ⋅ 5 :10 : 3⋅<br />

2<br />

b: 10 ⋅ 2 : 5 ⋅3 : 6<br />

c: 2 ⋅ 6 : 3⋅<br />

5 : 10<br />

d: 10 ⋅ 3⋅<br />

2 : 6 : 5<br />

e: 5 :10 ⋅ 2 ⋅ 6 : 3<br />

f: 3 : 6 ⋅ 2 ⋅10 : 5<br />

g: 2 ⋅ 3 : 6 ⋅10 : 5<br />

Regn også regnestykkerne!<br />

Forklar hvorfor<br />

nogle <strong>af</strong><br />

regnestykkerne<br />

er ens!<br />

14: Gør som i eksemplet – sæt selv gange og division så lighedstegnet passer<br />

a: 5 · 4 : 2 = 10<br />

c: 6 2 5 = 15<br />

e: 6 4 8 3 = 9<br />

b: 6 3 2 = 9<br />

d: 8 2 4 = 16<br />

f: 9 3 2 4 = 24<br />

15: Regn:<br />

a: 12 : 4 ⋅ 5⋅<br />

2 : 6 ⋅10<br />

⋅8 : 100<br />

b: 1⋅<br />

2 ⋅ 3⋅<br />

4 ⋅ 5 :10 : 6<br />

c: 15 : 3⋅<br />

4 : 2 ⋅ 6 : 20 ⋅12 : 9 ⋅ 25 ⋅10<br />

d: 6 ⋅ 5 :10 ⋅ 2 ⋅ 4 : 8 ⋅ 20 :15 ⋅50 : 100<br />

Sammensætning <strong>af</strong> <strong>regnearterne</strong> Side 35

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