bantu jawab, ya sampe no 1-7 sama cara

1. =1.605 + (-879)
=726 - 543
= 183

2. =15 ×280
=4200 : 25
=168

3. =18 - [3×(30:5)]
=18 - (3×6)
=18 - 18
=0°C

4. kpk =180

5. fpb= 2×2×2×3
= 24 kelompok

6. = 576 + 18
= 594

7. =5/9
*maaf kalo salah