Question

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Answer 1

Răspuns:

a). 3 × (2+5)= 3 × 7 = 21

3 × 2 + 3 × 5 = 6 + 15 = 21

b). 5 × (8-3) = 5 × 5 = 25

5 × 8 - 5 × 3 = 40 - 15 = 25

c). 4 × (4+5) = 4 × 9 = 36

4 × 4 + 4 × 5 = 16 + 20 = 36

d). (9-6) × 9 = 3 × 9 = 27

9 × 9 - 9 × 6 = 81 - 54 = 27