Страница 32, ГДЗ по математике за 1-4 класс к контрольным работам Волковой. Школа России
2 класс. Контрольная работа по теме «Числа от 1 до 100. Табличное умножение и деление». Вариант 1
\[\begin{aligned} 6 \cdot 4 &= \textcolor{#e03131}{\mathbf{24}} & \qquad 7 \cdot 6 &= \textcolor{#e03131}{\mathbf{42}} & \qquad 32 : 4 &= \textcolor{#e03131}{\mathbf{8}} & \qquad 25 : 5 &= \textcolor{#e03131}{\mathbf{5}} \\ 8 \cdot 6 &= \textcolor{#e03131}{\mathbf{48}} & \qquad 8 \cdot 4 &= \textcolor{#e03131}{\mathbf{32}} & \qquad 27 : 9 &= \textcolor{#e03131}{\mathbf{3}} & \qquad 40 : 8 &= \textcolor{#e03131}{\mathbf{5}} \\ 7 \cdot 4 &= \textcolor{#e03131}{\mathbf{28}} & \qquad 9 \cdot 4 &= \textcolor{#e03131}{\mathbf{36}} & \qquad 21 : 7 &= \textcolor{#e03131}{\mathbf{3}} & \qquad 18 : 6 &= \textcolor{#e03131}{\mathbf{3}} \end{aligned}\]
\[\begin{aligned} 45 \overset{\textcolor{#1a7f37}{2}}{-} 5 \mathbin{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}\cdot}} 4 \overset{\textcolor{#1a7f37}{3}}{+} 8 &= \textcolor{#e03131}{\mathbf{33}} & \qquad 24 \mathrel{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}{:}}} (15 \overset{\textcolor{#1a7f37}{1}}{-} 7) \overset{\textcolor{#1a7f37}{3}}{+} 10 &= \textcolor{#e03131}{\mathbf{13}} \end{aligned}\]
\(9 \cdot 2 = \textcolor{#e03131}{\mathbf{18}}\text{ (бл.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{18}}\) блинчиков.
\[{\hspace{0.1em}\mathrlap{\textcolor{#e03131}{\raisebox{-0.045em}{\rule{3.09em}{0.09em}}}}\mathrlap{\textcolor{#e03131}{\raisebox{1.955em}{\rule{3.09em}{0.09em}}}}\mathrlap{\textcolor{#e03131}{\raisebox{-0.045em}{\rule{0.09em}{2.09em}}}}\hspace{3em}\mathrlap{\textcolor{#e03131}{\raisebox{-0.045em}{\rule{0.09em}{2.09em}}}}\hspace{-1.455em}\textcolor{#e03131}{\mathclap{\raisebox{2.265em}{\textbf{3 см}}}}\hspace{1.895em}\textcolor{#e03131}{\mathrlap{\raisebox{0.7em}{\textbf{2 см}}}}\hspace{2.454em}}\]
\(P = 3 + 2 + 3 + 2 = \textcolor{#e03131}{\mathbf{10}}\text{ (см)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{10}}\) см.
\(1)\ 10 + 2 = \textcolor{#e03131}{\mathbf{12}}\)
\(2)\ 12 : 3 = \textcolor{#e03131}{\mathbf{4}}\)
Ответ: \(\textcolor{#e03131}{\mathbf{4}}\).
2 класс. Контрольная работа по теме «Числа от 1 до 100. Табличное умножение и деление». Вариант 2
\[\begin{aligned} 9 \cdot 4 &= \textcolor{#e03131}{\mathbf{36}} & \qquad 7 \cdot 5 &= \textcolor{#e03131}{\mathbf{35}} & \qquad 40 : 8 &= \textcolor{#e03131}{\mathbf{5}} & \qquad 45 : 9 &= \textcolor{#e03131}{\mathbf{5}} \\ 9 \cdot 3 &= \textcolor{#e03131}{\mathbf{27}} & \qquad 8 \cdot 5 &= \textcolor{#e03131}{\mathbf{40}} & \qquad 36 : 9 &= \textcolor{#e03131}{\mathbf{4}} & \qquad 49 : 7 &= \textcolor{#e03131}{\mathbf{7}} \\ 7 \cdot 4 &= \textcolor{#e03131}{\mathbf{28}} & \qquad 5 \cdot 9 &= \textcolor{#e03131}{\mathbf{45}} & \qquad 35 : 7 &= \textcolor{#e03131}{\mathbf{5}} & \qquad 36 : 6 &= \textcolor{#e03131}{\mathbf{6}} \end{aligned}\]
\[\begin{aligned} 36 \overset{\textcolor{#1a7f37}{2}}{-} 6 \mathrel{\overset{\textcolor{#1a7f37}{1}}{\vphantom{+}{:}}} 2 \overset{\textcolor{#1a7f37}{3}}{+} 7 &= \textcolor{#e03131}{\mathbf{40}} & \qquad 24 \mathrel{\overset{\textcolor{#1a7f37}{2}}{\vphantom{+}{:}}} 6 \mathbin{\overset{\textcolor{#1a7f37}{3}}{\vphantom{+}\cdot}} (16 \overset{\textcolor{#1a7f37}{1}}{-} 7) &= \textcolor{#e03131}{\mathbf{36}} \end{aligned}\]
\(4 \cdot 3 = \textcolor{#e03131}{\mathbf{12}}\text{ (к.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{12}}\) коробок.
\[{\hspace{0.232em}\mathrlap{\textcolor{#e03131}{\raisebox{-0.045em}{\rule{2.09em}{0.09em}}}}\mathrlap{\textcolor{#e03131}{\raisebox{1.955em}{\rule{2.09em}{0.09em}}}}\mathrlap{\textcolor{#e03131}{\raisebox{-0.045em}{\rule{0.09em}{2.09em}}}}\hspace{2em}\mathrlap{\textcolor{#e03131}{\raisebox{-0.045em}{\rule{0.09em}{2.09em}}}}\hspace{-0.955em}\textcolor{#e03131}{\mathclap{\raisebox{2.265em}{\textbf{2 см}}}}\hspace{1.395em}\textcolor{#e03131}{\mathrlap{\raisebox{0.7em}{\textbf{2 см}}}}\hspace{2.454em}}\]
\(P = 2 + 2 + 2 + 2 = \textcolor{#e03131}{\mathbf{8}}\text{ (см)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{8}}\) см.
\(1)\ 7 - 2 = \textcolor{#e03131}{\mathbf{5}}\)
\(2)\ 5 \cdot 4 = \textcolor{#e03131}{\mathbf{20}}\)
Ответ: \(\textcolor{#e03131}{\mathbf{20}}\).