Question

11*11= ?

12*12= ?

13*13= ?

Answer 1

11 x 11 = 121

12 x 12 = 144

13 x 13 = 169

Answer 2

11x11=121

12x12=144

13x13=169

Answer 3

11*11=121

12*12=144

13*13=169

Answer 4

11 x 11 = ( 1 + 1 ) x ( 1 + 1 ) = 2 x 2 = 4

12 x 12 = ( 1 + 2 ) x ( 1 + 2 ) = 3 x 3 = 9

13 x 13 = ( 1 + 3 ) x ( 1 + 3 ) = 4 x 4 = 16

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