3класс

Страница 61, ГДЗ по математике за 3 класс к тренажёру Погореловой

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Повторение. Числа от 1 до 1 000

1. Вычисли.

\[\begin{aligned} 300 + 400 - 1 &= \textcolor{#e03131}{\mathbf{699}} & \qquad 240 + 60 + 1 &= \textcolor{#e03131}{\mathbf{301}} \\ 800 + 1 - 200 &= \textcolor{#e03131}{\mathbf{601}} & \qquad 580 - 80 - 1 &= \textcolor{#e03131}{\mathbf{499}} \\ 670 - 70 - 1 &= \textcolor{#e03131}{\mathbf{599}} & \qquad 755 + 45 + 1 &= \textcolor{#e03131}{\mathbf{801}} \\ 401 + 99 - 1 &= \textcolor{#e03131}{\mathbf{499}} & \qquad 999 - 90 + 1 &= \textcolor{#e03131}{\mathbf{910}} \\ 536 - 36 + 1 &= \textcolor{#e03131}{\mathbf{501}} & \qquad 430 + 70 - 1 &= \textcolor{#e03131}{\mathbf{499}} \end{aligned}\]

2. Найди частное и остаток.

\[\begin{aligned} 58 : 7 &= \textcolor{#e03131}{\mathbf{8}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{2}} & \qquad 67 : 20 &= \textcolor{#e03131}{\mathbf{3}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{7}} \\ 31 : 6 &= \textcolor{#e03131}{\mathbf{5}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{1}} & \qquad 38 : 14 &= \textcolor{#e03131}{\mathbf{2}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{10}} \\ 27 : 4 &= \textcolor{#e03131}{\mathbf{6}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{3}} & \qquad 51 : 19 &= \textcolor{#e03131}{\mathbf{2}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{13}} \\ 78 : 8 &= \textcolor{#e03131}{\mathbf{9}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{6}} & \qquad 80 : 18 &= \textcolor{#e03131}{\mathbf{4}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{8}} \\ 63 : 8 &= \textcolor{#e03131}{\mathbf{7}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{7}} & \qquad 49 : 12 &= \textcolor{#e03131}{\mathbf{4}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{1}} \\ 47 : 6 &= \textcolor{#e03131}{\mathbf{7}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{5}} & \qquad 70 : 25 &= \textcolor{#e03131}{\mathbf{2}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{20}} \\ 39 : 5 &= \textcolor{#e03131}{\mathbf{7}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{4}} & \qquad 97 : 30 &= \textcolor{#e03131}{\mathbf{3}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{7}} \\ 51 : 9 &= \textcolor{#e03131}{\mathbf{5}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{6}} & \qquad 62 : 13 &= \textcolor{#e03131}{\mathbf{4}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{10}} \\ 68 : 8 &= \textcolor{#e03131}{\mathbf{8}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{4}} & \qquad 49 : 24 &= \textcolor{#e03131}{\mathbf{2}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{1}} \\ 45 : 7 &= \textcolor{#e03131}{\mathbf{6}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{3}} & \qquad 78 : 15 &= \textcolor{#e03131}{\mathbf{5}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{3}} \\ 34 : 6 &= \textcolor{#e03131}{\mathbf{5}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{4}} & \qquad 57 : 20 &= \textcolor{#e03131}{\mathbf{2}}\textcolor{#e03131}{\text{ ост. }}\textcolor{#e03131}{\mathbf{17}} \end{aligned}\]

Решение подготовила Ольга Хромова, учитель начальных классов
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