bilangan bulat
Dashboard
4 × 3 = 3 + 3 + 3 + 3 = 12
3 × (−4) = (−4) + (−4) + (−4) = −12
(+) × (+) = (+)
6 × 4 = 24
6 × 4 = 24
(+) × (−) = (−)
6 × (−4) = −24
6 × (−4) = −24
(−) × (+) = (−)
(−6) × 4 = −24
(−6) × 4 = −24
(−) × (−) = (+)
(−6) × (−4) = 24
(−6) × (−4) = 24
3 × (−5) = (−5) × 3 = −15
(2 × 3) × 4 = 2 × (3 × 4)
7 × 12 = 7 × (10 + 2) = 70 + 14 = 84
a × 1 = a dan a × 0 = 0
1.
2.
3.
Contoh: (−18) × (−7). Tanda sama menghasilkan positif, lalu 18 × 7 = 126. Jadi hasilnya 126.
(−3) × 6 = −18°C
(−Rp4.000) × 5 = −Rp20.000
| Operasi | Hasil | Perubahan |
|---|---|---|
| 3 × 2 | 6 | Mulai positif |
| 2 × 2 | 4 | Turun 2 |
| 1 × 2 | 2 | Turun 2 |
| 0 × 2 | 0 | Turun 2 |
| (−1) × 2 | −2 | Pola berlanjut |