Question

7. Completa la siguiente tabla haciendo cálculos mentales.
× | 2 | 5 | 7 | 12 |
____|____|___|__
10 |
____|____|___|___
100 |
____|____|___|____
1000 |
____|____|___|____​

Answer 1

Respuesta:

- 10 × 2 = 20

- 100 × 2 = 200

- 1000 × 2 = 2000

- 10 × 5 = 50

- 100 × 5 = 500

- 1000 × 5 = 5000

- 10 × 7 = 70

- 100 × 7 = 700

- 1000 × 7 = 7000

- 10 × 12 = 120

- 100 × 12 = 1200

- 1000 × 12 = 12000