4класс

Страница 26, ГДЗ по математике за 4 класс к самостоятельным и контрольным работам Лопатковой

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Нумерация. Тест. Вариант 1

А1. В каком числе отсутствует разряд десятков?

\[{\def\arraystretch{1.3}\begin{array}{ll} \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 78\,653\,025 & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 608\,506\,347 \\ \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 34\,502\,762 & \qquad \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{45\,681\,304}} \end{array}}\]

А2. Что показывает цифра 5 в числе \(45\,288\,940\)?

\[{\def\arraystretch{1.3}\begin{array}{ll} \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace \text{единицы миллиардов} & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace \text{единицы тысяч} \\ \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{\textbf{единицы миллионов}}} & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace \text{единицы} \end{array}}\]

А3. Что отсутствует в числе \(4\,567\,000\,321\)?

\[{\def\arraystretch{1.3}\begin{array}{ll} \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace \text{класс единиц} & \qquad \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{\textbf{класс тысяч}}} \\ \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace \text{класс миллионов} & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace \text{класс миллиардов} \end{array}}\]

А4. Укажи число сорок девять миллиардов семь миллионов пятьдесят девять.

\[{\def\arraystretch{1.3}\begin{array}{ll} \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 49\,007\,059 & \qquad \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{49\,007\,000\,059}} \\ \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 49\,759 & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 4\,900\,700\,059 \end{array}}\]

В1. Какое число предшествует числу \(325\,785\,980\)?

\[{\def\arraystretch{1.3}\begin{array}{ll} \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 325\,785\,970 & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 325\,785\,989 \\ \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 325\,785\,870 & \qquad \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{325\,785\,979}} \end{array}}\]

В2. В каком неравенстве допущена ошибка?

\[{\def\arraystretch{1.3}\begin{array}{l} \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 5\,824\,099 < 58\,724\,100 \\ \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 342\,456\,750 > 232\,456\,750 \\ \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 40\,005\,004 < 40\,050\,004 \\ \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{5\,000\,000 > 30\,000\,000}} \end{array}}\]

В3. Какое число можно представить в виде суммы разрядных слагаемых

\(600\,000\,000\,000 + 50\,000\,000 + 20\,000 + 1\,000 + 4\)? \[{\def\arraystretch{1.3}\begin{array}{ll} \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{600\,050\,021\,004}} & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 60\,050\,021\,004 \\ \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 60\,050\,021\,006 & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 600\,000\,521\,006 \end{array}}\]

С1. В каком числе 7 единиц класса тысяч?

\[{\def\arraystretch{1.3}\begin{array}{ll} \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 85\,485\,404\,732 & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 643\,853\,449\,644 \\ \mathrlap{\vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}}\hspace{0.39em}\mathclap{\vcenter{\rule[-0.224em]{0pt}{0.224em}\textcolor{#e03131}{\footnotesize\pmb{\mathrlap{\checkmark}\mathrlap{\kern0.04em\checkmark}\kern0.08em\checkmark}}}}\hspace{0.39em}\enspace \textcolor{#e03131}{\boldsymbol{876\,342\,047\,000}} & \qquad \vcenter{\rule[-0.484em]{0pt}{0.484em}\boxed{\rule{0pt}{0.1em}\hspace{0.18em}}}\enspace 88\,565\,040\,846 \end{array}}\]

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