Question

Ajutatima la ex 5 si 8 va rog​

Answer 1

Răspuns:

ex 5.

a) 3 × (5 + 4) = 3 × 5 + 3 × 4

4 × 3 + 4 × 2 = 4 × (3 + 2)

b) 4 × 3 × 4 × 2 = 4 × 5

2 × 8 - 2 × 6 = 2 × 2

ex 5.

a) 5 × (3 + 7) = 5 × 3 + 5 × 7

4 × 7 + 4 × 3 = 4 × (7 + 3)

b) 8 × (1 + 5) = 1 × 0 + 8 × 5

5 × (3 + 5) = 5 × 3 + 5 × 5

Answer 2

Răspuns:

Ex.5

a)3×(5-4)=3×5-3×4

a)4×3-4×2=4×(3-2)

b)4x3+4×2=4×5

b)2×8-2×6=2+2

Ex 8.

a)5×(3+7)=5×3+5×7

a)4×7+4×3=4×(7+3)

b)8×(3+5)=8×3+8×5

b)3×(3+4)=3×3+3×4