brian80
brian80
24-07-2017
Mathematics
contestada
11 X 11= 4, 12x12=9,13x13=?
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iRiven
iRiven
24-07-2017
11x11 => (1 +1)(1 +1) = 2x2 =4
12x12 => (1 +2)(1 +2) = 3x3 = 9
13x13 => (1 +3(1 +3) = 4x4 = 16
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babydollari
babydollari
24-07-2017
the answer would be 169 multiply 13x13 and u get 169
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