Solve Cryptarithms. 2 A B + A B 1 B 0 1 - Vidyadip

Question

Solve Cryptarithms. $\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 2\ \ \ \ \text{A} \ \ \ \ \text{B}\ \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ \ \ \underline{+\ \ \ \ \text{A}\ \ \ \ \text{B}\ \ \ \ \ 1\ \ }\\\ \ \ \ \ {\ \ \ \ \ \ \ \ \ \ \ \ \ \text{B}\ \ \ \ 0\ \ \ \ \ 1}$

✓

Answer

$B + 1 = 8, B = 7A + 1, A + 7 = 1, A = 4$ So, $A = 4, b = 7$

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