= (3 × 6) + (3 × 4)
= 18 + 12 = 30
2. (-11) × ((-1) + 9)
= ((-11) × (-1)) + ((-11) × 9)
= 11 + (-99) = -88
3. 8(1 + (-12))
= (8 × 1) + (8 × (-12))
= 8 + (-96) = -88
4. (10 + (-2)) × 5
(10 × 5) + ((-2) × 5)
= 50 + (-10) = 40
Baca Juga: 10 Contoh Benda yang Termasuk Segi Banyak Beraturan, Materi Kelas 4 SD