yg baik hati bangat MOHON jawab semua nya sekalian tks ☺

5²= 5x5 = 25
7²= 7x7 = 49
9²= 9x9 = 81
11² =11x11 = 121
13²=13x13= 169
2²= 2x2 = 4
4²=4x4 =16
6² =6x6= 36
8²=8x8= 64
10²=10x10=100

1.5×2=10
2.7×2=14
3.9×2=18
4.11×2=22
5.13×2=26
6.2×2=4
7.4×2=8
8.6×2=12
9.8×2=16
10.10×2= 20