Question

7 X (6 + 3)
9 x (7 + 1)
6 x (7 - 4) =
5x (6 - 2) =
(3 + 2 + 4) x6 =
(5 + 3 + 2) x 8 =
Calculează in doua moduri: repede dau coroana

Answer 1

Explicație pas cu pas:

7 X (6 + 3)=7×6+7×3=63

9 x (7 + 1)=9×7+9×1=72

6 x (7 - 4) =6×7-6×4=18

5x (6 - 2) =5×6-5×2=20

(3 + 2 + 4) x6 = 6×3+6×2+6×4=54

(5 + 3 + 2) x 8 =8×5+8×3+8×2=80

Coroana?