Выберите правильный вариант записи и подсчёта при умножении на двузначное число:

• \(\begin{align*} & \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \begin{array}{cccc} {}_{\times} & 4 & 9 & 7 \end{array} \\ & \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \frac{\begin{array}{cccc} & & 4 & 8 \end{array}}{\begin{array}{cccc} 1 & 9 & 8 & 8 \end{array}} \\ & \frac{\begin{array}{ccccc} {}^{+}\!3 & 9 & 7 & 6 & \quad \end{array}}{\begin{array}{ccccc} {}\!4 & 1 & 7 & 4 & 8 \end{array}} \\ & \end{align*}\)
• \(\begin{align*} & \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \begin{array}{cccc} {}_{\times} & 4 & 9 & 7 \\ \end{array} \\ & \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \frac{\begin{array}{cccc} & & 4 & 8 \\ \end{array}}{\begin{array}{cccc} 3 & 9 & 7 & 6 \\ \end{array}} \\ & \quad \quad \quad \quad \frac{\begin{array}{ccccc} {}^{+} & 1 & 9 & 8 & 8 \\ \end{array}}{\begin{array}{ccccc} & 5 & 9 & 6 & 4 \\ \end{array}} \\ & \end{align*}\)
• \(\begin{align*} & \quad \quad \quad \quad \quad \quad \quad \quad \quad \begin{array}{cccc} {}_{\times} & 4 & 9 & 7 \\ \end{array} \\ & \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \frac{\begin{array}{cccc} & & 4 & 8 \\ \end{array}}{\begin{array}{cccc} 1 & 9 & 8 & 8 \\ \end{array}} \\ & \frac{\begin{array}{ccccc} {}^{+} & 3 & 9 & 7 & 6 \\ \end{array}}{\begin{array}{ccccc} & 5 & 9 & 6 & 4 \\ \end{array}} \\ & \end{align*}\)
• \(\begin{array}{l} \,\,\,\,\,\,\,\,\,\,\begin{array}{lll} {}_{\times} & 4 & 9 & 7 \end{array} \\ \,\,\,\,\,\,\,\,\,\,\,\,\frac{\begin{array}{llll} {\,\,\,} & {\,\,\,} & 4 & 8 \end{array}}{\begin{array}{llll} 3 & 9 & 7 & 6 \end{array}} \\ \frac{\begin{array}{lllll} {}^{+}\!1 & 9 & 8 & 8 & {\,\,\,\,} \end{array}}{\begin{array}{lllll} {}\!2 & 3 & 8 & 5 & 6 \end{array}} \\ {}\end{array}\)