AKAYAD ASLIƔAN N TUSNAKT

Aseɣti n UKAYAD USLIƔAN

1) A

2) D

3) B

4)

5) 2 × 5 – (4 + 3) = 3

6)

7) Azal n ukayad n Ɛli Azal n ukayad n Weeli

11× 2 + 5 × 3 + 8 × 5 12× 2 + 7 × 3 + 6 × 5

= 22 + 15 + 40 = 24 + 21 + 30

= 77 tneqqidin = 75 tneqqidin

8) Takriṭ n baba-s n Ɣilas

37 000 × 12 = 444 000 DA

Iṣerrifen

8 500 × 12 + 5 100 × 4 + 2 400 × 6 + 240 000 = 376 800 DA

Amur n lqecc d wayen-iden

444 000 - 376 800 = 67 200 DA i wuseggas.

67 200 ÷ 12 = 5 600 DA i wayyur.

9) Amḍan n yijeɛbuben

14 km = 14 000 m

14 000 ÷ 8 = 1750

Aṣerrif n leqdic-a

1750 × 70 000 = 122 500 000 DA

10) Usgit azdukal amectuḥ (UAA) n 12, 16 d 18

12 = 2 × 2 × 3

16 = 2 × 2 × 2 × 2

18 = 2 × 3 × 3

UAA(12, 16, 18) = 2 × 2 × 2 × 2× 3 × 3 = 144

Ad mlillen deq 144 n wussan

11) Azal n yidrimen

152 × 200 – (152 × 2 × 25) = 30 400 – 7 600 = 22 800 DA