Jawaban:
1) -75
2) -115
3) 5
4) -420
5) 7°C
Penjelasan dengan langkah-langkah:
No. 1
(-15) × 10 + 75
= -150 + 75
= -75
No. 2
45 – 100 + (-60)
= 45 – 100 – 60
= -55 – 60
= -115
No. 3
75 ÷ (-15) + (-50) ÷ (-5)
= -5 + 10
= 5
No. 4
(-5) × (-7) × (-12)
= 35 × (-12)
= -420
No. 5
Waktu
= 24.00 – 21.00
= 3 jam
Suhu udara saat jam 24.00 adalah
= -2°C + (3 × 3°C)
= -2°C + 9°C
= 7°C
Keterangan :
Semoga membantu.
Have a nice day 🙂
