Question

numerele 6 8 3 4 7 5 9 10 marite de 5 ori apoi gaseste dublul produselor aflate

Answer 1

6x5=30. 30x2=60
8x5=40. 40x2=80
3x5=15. 15x2=30
4x5=20. 20x2=40
7x5=35. 35x2=70
5x5=25. 25x2=50
9x5= 45. 45x2=90
10x5=50. 50x2=100

Answer 2

(6×5)×2= 30×2
= 60
(8×5)×2= 40×2
= 80
(3×5)×2= 15×2
= 30
(4×5)×2= 20×2
= 40
(7×5)×2= 35×2
= 70
(5×5)×2= 25×2
= 50
(9×5)×2= 45×2
= 90
(10×5)×2= 50×2
= 100