Question

1.6+(-1)=(-1)+6=...
2.7+(2+6)=(7+2)+6=...+...=...
3.sifat komutatif tdk berlaku pd ... dan ...
4.-2×(5-2)=...
5.5×99=5×(100-1)=(5×100)-5×...)=...
6.(-2)pangkat3=...×...×...=...
7.bilangan kubik antara 20 & 30 adalah...
8.fpb dri15&20=...
9.fpb dri 30,35&50=...
10.kpk dri 7&8=...
11.kpk dri 15,30&45=...

Answer 1

1. 5
2. 9 + 6 = 15
3. pengurangan dan pembagian
4. -2 × (5-2) = -2 × 3 = -6
5. 1 = 495
6. (-2) × (-2) × (-2) = -8
7. 3³ = 27
8. fpb = 5
9. fpb = 5
10. kpk = 2³ × 7 = 56
11. kpk = 2 × 3² × 5 = 2 × 9 × 5 = 90