Intelligence Test #4

11 x 11 = 4
22 x 22 = 16
33 x 33 = 18
44 x 44 = …

Isilah titik-titik diatas.

Jawaban

19

Penjelasan:

11 x 11 = 121 => 1+2+1 = 4

22 x 22 = 484 => 4+8+4 = 16

33 x 33 = 1089 => 1+0+8+9 = 18

44 x 44 = 1936 => 1+9+3+6 = 19

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