1) 43,424 : 6,4;

Вот решение примеров: 1) $43,424 : 6,4 = 434,24 : 64 = 6,785$ $\begin{array}{cccc|l} 4 & 3 & 4 & 2 & 4 & 64 \\ \hline 3 & 8 & 4 & & & 6,785 \\ \hline & 5 & 0 & 2 \\ & 4 & 4 & 8 \\ \hline & & 5 & 4 & 4 \\ & & 5 & 1 & 2 \\ \hline & & & 3 & 2 & 0 \\ & & & 3 & 2 & 0 \\ \hline & & & & & 0 \end{array}$ 2) $21,8143 \cdot 0 = 0$ 3) $262 : 10000 = 0,0262$ 4) $8,048 \cdot 47,4 = 381,4752$ $\begin{array}{r} 8048 \\ \times 474 \\ \hline 32192 \\ 563360 \\ 3219200 \\ \hline 3814752 \end{array}$ 5) $709 : 80 = 8,8625$ $\begin{array}{cccc|l} 7 & 0 & 9 & 0 & 80 \\ \hline 6 & 4 & 0 & & 8,8625 \\ \hline & 6 & 9 & 0 \\ & 6 & 4 & 0 \\ \hline & & 5 & 0 & 0 \\ & & 4 & 8 & 0 \\ \hline & & 2 & 0 & 0 \\ & & 1 & 6 & 0 \\ \hline & & 4 & 0 & 0 \\ & & 4 & 0 & 0 \\ \hline & & & & 0 \end{array}$ 6) $0,261 : 0,261 = 1$ 7) $45,305 : 25 = 1,8122$ $\begin{array}{cccc|l} 4 & 5 & 3 & 0 & 5 & 25 \\ \hline 2 & 5 & & & & 1,8122 \\ \hline 2 & 0 & 3 \\ 2 & 0 & 0 \\ \hline & & 3 & 0 \\ & & 2 & 5 \\ \hline & & & 5 & 5 \\ & & & 5 & 0 \\ \hline & & & & 5 & 0 \\ & & & & 5 & 0 \\ \hline & & & & & 0 \end{array}$ 8) $0,3 \cdot 0,001 = 0,0003$ 9) $1,0625 \cdot 16 = 17$ $\begin{array}{r} 10625 \\ \times 16 \\ \hline 63750 \\ 106250 \\ \hline 170000 \end{array}$ 10) $40,045 \cdot 84,6 = 3387,807$ $\begin{array}{r} 40045 \\ \times 846 \\ \hline 240270 \\ 1601800 \\ 32036000 \\ \hline 33878070 \end{array}$ 11) $1,5625 \cdot 6,4 = 10$ $\begin{array}{r} 15625 \\ \times 64 \\ \hline 62500 \\ 937500 \\ \hline 1000000 \end{array}$ 12) $7 : 0,0875 = 70000 : 875 = 80$ $\begin{array}{cccc|l} 7 & 0 & 0 & 0 & 875 \\ \hline 7 & 0 & 0 & 0 & 80 \\ \hline & & & 0 \end{array}$