231 * 4;
304 * 3;
129 * 6;
984 : 8;
938 : 7;
876 : 4;
752 : 2 − 540 : 9 − 48 * 6;
(608 + 206) : 2 − 100;
964 : 4 * 3 − 810 : 3.

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Математика 4 класс Моро. Часть 1. Сложение и вычитание. Номер №294

231 * 4 = 924

\begin{array}{r} \times \underline{\begin{array}{r} 231 \\ 4 \end{array}} \\ 924 \end{array}

304 * 3 = 912

\begin{array}{r} \times \underline{\begin{array}{r} 304 \\ 3 \end{array}} \\ 912 \end{array}

129 * 6 = 774

\begin{array}{r} \times \underline{\begin{array}{r} 129 \\ 6 \end{array}} \\ 774 \end{array}

984 : 8 = 123

\begin{matrix} \begin{array}{l} \underline{} 984 \\ \underline{8} \\ \underline{} 18 \\ \underline{16} \\ \underline{} 24 \\ \underline{24} \\ 0 \end{array} & \begin{array}{l} 8 \\ \bar{123} \end{array} \end{matrix}

938 : 7 = 132

\begin{matrix} \begin{array}{l} \underline{} 938 \\ \underline{7} \\ \underline{} 23 \\ \underline{21} \\ \underline{} 28 \\ \underline{28} \\ 0 \end{array} & \begin{array}{l} 7 \\ \bar{134} \end{array} \end{matrix}

876 : 4 = 219

\begin{matrix} \begin{array}{l} \underline{} 876 \\ \underline{8} \\ \underline{} 7 \\ \underline{4} \\ \underline{} 36 \\ \underline{36} \\ 0 \end{array} & \begin{array}{l} 4 \\ \bar{219} \end{array} \end{matrix}

752 : 2 − 540 : 9 − 48 * 6 = 376 − 60 − 288 = 316 − 288 = 28

\begin{matrix} \begin{array}{l} \underline{} 752 \\ \underline{6} \\ \underline{} 15 \\ \underline{14} \\ \underline{} 12 \\ \underline{12} \\ 0 \end{array} & \begin{array}{l} 2 \\ \bar{376} \end{array} \end{matrix}

\begin{matrix} \begin{array}{l} \underline{} 540 \\ \underline{54} \\ \underline{} 0 \\ \underline{0} \\ 0 \end{array} & \begin{array}{l} 9 \\ \bar{60} \end{array} \end{matrix}

\begin{array}{r} \times \underline{\begin{array}{r} 48 \\ 6 \end{array}} \\ 288 \end{array}

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 376 \\ 60 \end{array} \\ \begin{array}{r} 316 \end{array} \end{array}

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 316 \\ 288 \end{array} \\ \begin{array}{r} 28 \end{array} \end{array}

(608 + 206) : 2 − 100 = 814 : 2 − 100 = 407 − 100 = 307

\begin{array}{r} \begin{array}{r} + \end{array} \begin{array}{r} 608 \\ 206 \end{array} \\ \begin{array}{r} 814 \end{array} \end{array}

\begin{matrix} \begin{array}{l} \underline{} 814 \\ \underline{8} \\ \underline{} 1 \\ \underline{0} \\ \underline{} 14 \\ \underline{14} \\ 0 \end{array} & \begin{array}{l} 2 \\ \bar{407} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 407 \\ 100 \end{array} \\ \begin{array}{r} 307 \end{array} \end{array}

964 : 4 * 3 − 810 : 3 = 241 * 3 − 270 = 723 − 270 = 453

\begin{matrix} \begin{array}{l} \underline{} 964 \\ \underline{8} \\ \underline{} 16 \\ \underline{16} \\ \underline{} 4 \\ \underline{4} \\ 0 \end{array} & \begin{array}{l} 4 \\ \bar{241} \end{array} \end{matrix}

\begin{array}{r} \times \underline{\begin{array}{r} 241 \\ 3 \end{array}} \\ 723 \end{array}

\begin{matrix} \begin{array}{l} \underline{} 810 \\ \underline{6} \\ \underline{} 21 \\ \underline{21} \\ \underline{} 0 \\ \underline{0} \\ 0 \end{array} & \begin{array}{l} 3 \\ \bar{270} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} - \end{array} \begin{array}{r} 723 \\ 270 \end{array} \\ \begin{array}{r} 307 \end{array} \end{array}

ГДЗ Математика 4 класс Моро, Бантова часть 1, 2