Question

Use as propriedades
A) (-2) × (-2)
B) 3×3
C) 3:3
D) (-1) : (-1)

Answer 1

• (-2) × (-2) = ...

(-2) × (-2) = ...

(-2)² = 4

• 3 × 3 = ...

3 × 3 = ...

3² = 9

• 3 ÷ 3 = ...

3 ÷ 3 = 1

Why? 3 × 1 = 3

• (-1) ÷ (-1) = ...

(-1) ÷ (-1) = 1

Why? 1 × 1 = 1

....