Page 136 - MATEMATIKA KELAS 2 SD

latihan 3

isilah titik titik berikut menggunakan sifat

pertukaran

1 3 × 7 = ... × 3 = ...

2 4 × 5 = 5 × ... = ...

3 2 × 6 = ... × ... = ...

4 8 × ... = 5 × 8 = ...

5 6 × 4 = ... × ... = ...

6 9 × 6 = ... × ... = ...

7 9 × 7 = ... × ... = ...

8 ... × ... = 7 × 9 = ...

9 8 × 6 = ... × ... = ...

10 ... × ... = 8 × 2 = ...

b sifat pengelompokan

perhatikan contoh berikut

(2 × 4) × 3 = 2 × (4 × 3)

5 × (3 × 7) = (5 × 3) × 7

sifat pengelompokan tidak mengubah
hasil perkalian

perkalian dan pembagian
127