Выполни действия.
69 : 23;
98 : 14;
87 * 4;
94 * 5;
516 : 3;
873 : 9;
189 * 4 − 276;
582 : 6 + 495.

Выполни действия. 69 : 23; 98 : 14; 87 * 4; 94 * 5; 516 : 3; 873 : 9; 189 * 4 − 276; 582 : 6 + 495.

69 : 23 = 3;
98 : 14 = 7;
87 * 4 = 348;

\begin{array}{r} \times \underline{\begin{array}{r} 87 \\ 4 \end{array}} \\ 348 \end{array}

94 * 5 = 470;

\begin{array}{r} \times \underline{\begin{array}{r} 94 \\ 5 \end{array}} \\ 470 \end{array}

516 : 3 = 172;

\begin{matrix} \begin{array}{l} \underline{} 516 \\ \underline{3} \\ \underline{} 21 \\ \underline{21} \\ \underline{} 6 \\ \underline{6} \\ 0 \end{array} & \begin{array}{l} 3 \\ \bar{172} \end{array} \end{matrix}

873 : 9 = 97;

\begin{matrix} \begin{array}{l} \underline{} 873 \\ \underline{81} \\ \underline{} 63 \\ \underline{63} \\ 0 \end{array} & \begin{array}{l} 9 \\ \bar{97} \end{array} \end{matrix}

189 * 4 − 276 = 756 − 276 = 480;

\begin{array}{r} \times \underline{\begin{array}{r} 189 \\ 4 \end{array}} \\ 756 \end{array}

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 756 \\ 276 \end{array} \\ \begin{array}{r} 480 \end{array} \end{array}

582 : 6 + 495 = 97 + 495 = 592.

\begin{matrix} \begin{array}{l} \underline{} 582 \\ \underline{54} \\ \underline{} 42 \\ \underline{42} \\ 0 \end{array} & \begin{array}{l} 6 \\ \bar{97} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} + \end{array} \begin{array}{r} 495 \\ 97 \end{array} \\ \begin{array}{r} 592 \end{array} \end{array}