Răspuns :
4-2 =2, 4:2 = 2 ,4+2 = 6 ,4×2 = 8
2-2 = 0, 2:2 = 1, 2+2 = 4 , 2×2 = 4
6-2 = 4, 6:2 = 3, 6+2 = 8, 6×2 = 12
8-2 = 6, 8:2 = 4, 8+2 = 10, 8×2 = 16
10-2 = 8, 10:2 = 5, 10 + 2 = 12, 10×2 = 20
2-2 = 0, 2:2 = 1, 2+2 = 4 , 2×2 = 4
6-2 = 4, 6:2 = 3, 6+2 = 8, 6×2 = 12
8-2 = 6, 8:2 = 4, 8+2 = 10, 8×2 = 16
10-2 = 8, 10:2 = 5, 10 + 2 = 12, 10×2 = 20
Răspuns
Explicație pas cu pas:
> x2: 8, 4, 12, 16, 20
+2: 6, 4, 8, 10, 12
<x2: 2, 1, 3, 4, 5
-2: 2, 0, 4, 6, 8