Question

Calculează suma produselor: a) 2×3×5și2×4×5 b) 4 × 2 × 7 şi 3 × 2 × 10 c) 3 × 3 × 5 şi 5×2×8​

Answer 1

Răspuns:

a)30+40=70

b)56+60=116

c)45+80=125

Answer 2

a). 2 × 3 × 5 = 6 × 5 = 30

2 × 4 × 5 = 8 × 5 = 40

30 + 40 = 70

b). 4 × 2 × 7 = 8 × 7 = 56

3 × 2 × 10 = 6 × 10 = 60

56 + 60 = 116

c). 3 × 3 × 5 = 9 × 5 = 45

5 × 2 × 8 = 10 × 8 = 80

45 + 80 = 125