\[\boxed{Стр.\ \mathbf{74}\text{.\ \ }\mathbf{ОК\ ГДЗ\ - \ домашка\ на\ 5}}\]
\[\boxed{\mathbf{1}.}\]
\[1,\ 2,\ 3,\ 4,\ 5,\ 6,\ 7,\ 8,\ 9.\]
\[2,\ 4,\ 6,\ 8,\ 10,\ 12,\ 14,\ 16,\ 18.\]
\[3,\ 6,\ 9,\ 12,\ 15,\ 18,\ 21,\ 24,\ 27.\]
\[4,\ 8,\ 12,\ 16,\ 20,\ 24,\ 28,\ 32,\ 36.\]
\[\boxed{\mathbf{2}.}\]
\[1)\ 2 \cdot 9 = 18\]
\[4 \cdot 3 = 12\]
\[3 \cdot 2 = 6\]
\[2 \cdot 4 = 8\]
\[2)\ 24\ :4 = 6\]
\[12\ :3 = 4\]
\[18\ :2 = 9\]
\[15\ :3 = 5\]
\[\boxed{\mathbf{3}.}\]
\[1)\ 12\ :3 = 4\ (квадрокоптера).\]
\[2)\ 18\ :3 =\]
\[= 6\ (квадрокоптеров).\]
\[3)\ 27\ :3 =\]
\[= 9\ (квадрокоптеров).\]
\[\boxed{\mathbf{4}.}\]
\[На\ сколько\ больше\ звучала\ \]
\[сказка,\ чем\ песни?\]
\[\boxed{\mathbf{5}.}\]
\[(50 - 42) \cdot 4 = 8 \cdot 4 = 32\]
\[(17 + 23)\ :4 = 40\ :4 = 10\]
\[1 \cdot (26 + 25) = 1 \cdot 51 = 51\]
\[0 \cdot (32 - 12) = 0\]
\[36\ :9 = 4\]
\[27\ :3 = 9\]
\[3 \cdot 8 = 24\]
\[4 \cdot 8 = 32\]
\[\boxed{\mathbf{Вопрос}.}\]
\[1)\ 5 \cdot 4 = 20\ см.\]
\[2)\ 6 \cdot 4 = 24\ дм.\]
\[3)\ 7 \cdot 4 = 28\ мм.\]
\[4)\ 8 \cdot 4 = 32\ мм.\]
\[5)\ 9 \cdot 4 = 36\ мм.\]
\[\boxed{\mathbf{Задание\ на\ полях.\ Магические\ квадраты}}\]
\[13\] | \[20\] | \[15\] |
---|---|---|
\[18\] | \[16\] | \[14\] |
\[17\] | \[12\] | \[19\] |
\[Сумма:\ \ 48.\]
\[19\] | \[26\] | \[23\] |
---|---|---|
\[21\] | \[17\] | \[30\] |
\[28\] | \[25\] | \[15\] |
\[Сумма:\]
\[28 + 17 + 23 = 28 + 40 = 68.\]