Question

Rezolva după model
(3+4+2)x 7 = (3x 7) + (4x7) + (2x7)=....+....+....



(3+6+1)x 8 (2+3+5) x 5
(1+5+2) x 6 (2+6+1) x 9​

Answer 1

Răspuns:

Explicație pas cu pas:

(3 + 6 + 1) × 8 = (3 × 8) + (6 × 8) + (1 × 8) = 24 + 48 + 8 = 80

(2 + 3 + 5) × 5 = (2 × 5) + (3 × 5) + (5 × 5) = 10 + 15 + 25 = 50

(1 + 5 + 2) × 6 = (1 × 6) + (5 × 6) + (2 × 6) = 6 + 30 + 12 = 48

(2 + 6 + 1) × 9 =  (2 × 9) + (6 × 9) + (1 × 9) = 18 + 54 + 9 = 81