Seconde série – Correction Devoir N°24

Exercice 1

12 : 3 = 4

79 + 71 = 150

47 + 93 = 140

18 : 9 = 2

10 × 6 = 60

20 : 10 = 2

81 – 64 = 17

75 – 54 = 21

90 : 10 = 9

75 + 96 = 171

6 : 2 = 3

5 × 3 = 15

56 : 7 = 8

95 – 64 = 31

90 – 71 = 19

76 + 55 = 131

4 × 5 = 20

24 : 3 = 8

4 × 6 = 24

8 × 9 = 72

Exercice 2

2.5 km >1854 m

0.125 km >99 m

1 g > 743 mg

34 250 m =34.25 km

18 cm >125 mm

0.7 km =700 m

0.06 kg > 6000 mg

3.5 km > 2875 m

2.6 hl > 130 l