Вычисли значения выражений.
138 * 4 − 522 : 2 : 3;
801 : 9 * 7 + 635 : 5;
754 − (196 + 472) : 4;
912 − (702 − 576) : 9.

Вычисли значения выражений. 138 * 4 − 522 : 2 : 3; 801 : 9 * 7 + 635 : 5; 754 − (196 + 472) : 4; 912 − (702 − 576) : 9.

138 * 4 − 522 : 2 : 3 = 552 − 261 : 3 = 552 − 87 = 465

\begin{array}{r} \times \underline{\begin{array}{r} 138 \\ 4 \end{array}} \\ 552 \end{array}

\begin{matrix} \begin{array}{l} \underline{} 522 \\ \underline{4} \\ \underline{} 12 \\ \underline{12} \\ \underline{} 2 \\ \underline{2} \\ 0 \end{array} & \begin{array}{l} 2 \\ \bar{261} \end{array} \end{matrix}

\begin{matrix} \begin{array}{l} \underline{} 261 \\ \underline{24} \\ \underline{} 21 \\ \underline{21} \\ 0 \end{array} & \begin{array}{l} 3 \\ \bar{87} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 552 \\ 87 \end{array} \\ \begin{array}{r} 465 \end{array} \end{array}

801 : 9 * 7 + 635 : 5 = 89 * 7 + 127 = 623 + 127 = 750

\begin{matrix} \begin{array}{l} \underline{} 801 \\ \underline{72} \\ \underline{} 81 \\ \underline{81} \\ 0 \end{array} & \begin{array}{l} 9 \\ \bar{89} \end{array} \end{matrix}

\begin{array}{r} \times \underline{\begin{array}{r} 89 \\ 7 \end{array}} \\ 623 \end{array}

\begin{matrix} \begin{array}{l} \underline{} 635 \\ \underline{5} \\ \underline{} 13 \\ \underline{10} \\ \underline{} 35 \\ \underline{35} \\ 0 \end{array} & \begin{array}{l} 5 \\ \bar{127} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} + \end{array} \begin{array}{r} 623 \\ 127 \end{array} \\ \begin{array}{r} 750 \end{array} \end{array}

754 − (196 + 472) : 4 = 754 − 668 : 4 = 754 − 167 = 587

\begin{array}{r} \begin{array}{r} + \end{array} \begin{array}{r} 196 \\ 472 \end{array} \\ \begin{array}{r} 668 \end{array} \end{array}

\begin{matrix} \begin{array}{l} \underline{} 668 \\ \underline{4} \\ \underline{} 26 \\ \underline{24} \\ \underline{} 28 \\ \underline{28} \\ 0 \end{array} & \begin{array}{l} 4 \\ \bar{167} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 754 \\ 167 \end{array} \\ \begin{array}{r} 587 \end{array} \end{array}

912 − (702 − 576) : 9 = 912 − 126 : 9 = 912 − 14 = 898

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 702 \\ 576 \end{array} \\ \begin{array}{r} 126 \end{array} \end{array}

\begin{matrix} \begin{array}{l} \underline{} 126 \\ \underline{9} \\ \underline{} 36 \\ \underline{36} \\ 0 \end{array} & \begin{array}{l} 9 \\ \bar{14} \end{array} \end{matrix}

912 − 14 = 898