Question

77*77 and 78*78 in between how many natural numbers are there?

$72 \times 67$
$4a \binom{8a - 7}{} - 111 = 3 \binom{5a - 7}{} + \binom{9a - 11}{}$

$10 = 11 \div 125 \: point$
$8.9 \times 9.1$
$\binom{4a + 5}{} \binom{4a - 8}{}$
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Answer 1

Answer:

2+3+1+8907+75468901+×780÷5689=?