Jawaban:

9. c.31

1 – 5 × (–6) = 1 – (–30)

= 31

10. b.–9²

(–9) × (–9) = 81

11. c.48

–8 × (–7) + (–16) ÷ 2 = 56 + –8

= 48

12. d.–0,7

1 + (–8) – 0,9 = 0,2 – 0,9 = –0,7

13. c.–10

–4 + 2 × (–3) = (– 6) + –4 = – 10

14. a.21

(–12) ÷ –4/7 = (–12) ÷ (–4÷7 = 21

15. d.27 apel

3 × 9 = 27

Uraian :

1.

a. 13 + (–2) – 5 – (–7)

= 11 – 5 – (–7)

= 6 – (–7)

= 13

b. –3 × 6 ÷ (–2)

= –18 ÷ (–2)

= 9

c. 4 × (–2) + (–14) ÷ 2

= – 8 + –7

= – 15

2. Diketahui :

Membeli layang layang Rp : 30.000,00

3 gulung benang Rp : 8.000,00 × 3 = 24.000,00

Memiliki uang Rp : 100.000,00

Ditanya : Uang yang tersisa?

100.000,00 – (30.000,00 + 24.000,00)

= 100.000,00 – 54.000

= 46.000,00

3. Abdul memiliki 4/5 × 45 = 36 buku novel

Hasan memiliki 2/3 × 45 = 30 buku novel

SEMOGA MEMBANTU

JADIKAN JAWABAN TERCERDAS YA