Replace A, B, C by suitable numerals. 6 A -A B 3 7 - Vidyadip

Question

Replace A, B, C by suitable numerals.
$\ \ \ \ \ 6\text{ A}\\\underline{-\text{A B}}\\\underline{\ \ \ \ 3\ \ 7\ }$

✓

Answer

$6 - \text{A} = 3$
This implies That the maximum value of A can be 3.
$\text{A}\leq3\dots(1)$
The next column has the following:
$\text{A}-\text{B}=7$
To reconcile this with equation (1), borrowing is involved
We know:
$12 - 5 = 7 $
$\therefore\text{A}=2$ and $\text{B}=5$

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$\frac{5\text{a}^2}{2}+\frac{3\text{a}^3}{2}+\frac{\text{a}}{3}−\frac{6}{5}$ from $\frac{1}{3}\text{a}^3−\frac{3}{4}\text{a}^2−\frac{5}{2}$