ГДЗ Математика 5 класс Мерзляк. Задание 163

ОТВЕТЫ К ЗАДАНИЯМ

Вычислите:
1) 936 : 24 − 2204 : 58;
2) 5481 : 27 + 23 * 27;
3) 3000 − (1085 − 833) : 42;
4) (1248 + 652) * (1423 − 1373).

936 : 24 − 2204 : 58 = 39 − 38 = 1
1)

\begin{matrix} \begin{array}{l} \underline{} 936 \\ \underline{72} \\ \underline{} 216 \\ \underline{216} \\ 0 \end{array} & \begin{array}{l} 24 \\ \bar{39} \end{array} \end{matrix}

\begin{matrix} \begin{array}{l} \underline{} 2204 \\ \underline{174} \\ \underline{} 464 \\ \underline{464} \\ 0 \end{array} & \begin{array}{l} 58 \\ \bar{38} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} — \end{array} \begin{array}{r} 39 \\ 38 \end{array} \\ \begin{array}{r} 1 \end{array} \end{array}

5481 : 27 + 23 * 27 = 203 + 621 = 824
1)

\begin{matrix} \begin{array}{l} \underline{} 5481 \\ \underline{54} \\ \underline{} 8 \\ \underline{0} \\ \underline{} 81 \\ \underline{81} \\ 0 \end{array} & \begin{array}{l} 27 \\ \bar{203} \end{array} \end{matrix}

\begin{array}{r} \times \underline{\begin{array}{r} 23 \\ 27 \end{array}} \\ 161 \\ 46 \\ \bar{621} \end{array}

\begin{array}{r} \begin{array}{r} + \end{array} \begin{array}{r} 203 \\ 621 \end{array} \\ \begin{array}{r} 824 \end{array} \end{array}

3000 − (1085 − 833) : 42 = 3000 − 252 : 42 = 3000 − 6 = 2994
1)

\begin{array}{r} \begin{array}{r} — \end{array} \begin{array}{r} 1085 \\ 833 \end{array} \\ \begin{array}{r} 252 \end{array} \end{array}

\begin{matrix} \begin{array}{l} \underline{} 252 \\ \underline{252} \\ 0 \end{array} & \begin{array}{l} 42 \\ \bar{6} \end{array} \end{matrix}

\begin{array}{r} \begin{array}{r} — \end{array} \begin{array}{r} 3000 \\ 6 \end{array} \\ \begin{array}{r} 2994 \end{array} \end{array}

(1248 + 652) * (1423 − 1373) = 1900 * 50 = 95000
1)

\begin{array}{r} \begin{array}{r} + \end{array} \begin{array}{r} 1248 \\ 652 \end{array} \\ \begin{array}{r} 1900 \end{array} \end{array}

\begin{array}{r} \begin{array}{r} — \end{array} \begin{array}{r} 1423 \\ 1373 \end{array} \\ \begin{array}{r} 50 \end{array} \end{array}

\begin{array}{r} \times \underline{\begin{array}{r} 1900 \\ 50 \end{array}} \\ 0 \\ 9500 \\ \bar{95000} \end{array}