Question

there is a division calculation: \\(\

$$\begin{array}{r}01\\\\12\\enclose{longdiv}{214}\\\\-000\\\\\\hline214\\\\-120\\\\\\hline94\\end{array}$$

\\) and a number selection bar with numbers 0 - 9, and a number line from 120 to 220.

Explanation:

Step1: Identify division structure

We have long division: $12 \enclose{longdiv}{214}$, with the first digit of the quotient given as 0, and we need the second digit. The partial calculation shows after subtracting $0 \times 12 = 0$, we have 214, then we subtract $12 \times \text{[missing digit]}$ to get 94.

Step2: Set up equation for missing digit

Let $x$ be the missing digit. The equation is: $214 - 12x = 94$
Rearrange to solve for $x$:
$12x = 214 - 94$
$12x = 120$
$x = \frac{120}{12} = 10$? No, correction: The quotient digit corresponds to how many times 12 fits into 21 (the first two digits of 214 after the initial 0). Wait, correct flow: After the initial 0, we look at 21. $12 \times 1 = 12$, $21-12=9$, bring down 4 to get 94. So the missing digit is 1.

Answer:

1