\[\boxed{Стр.\ \mathbf{6}\text{.\ \ }\mathbf{ОК\ ГДЗ\ - \ домашка\ на\ 5}}\]
\[\boxed{\mathbf{1}.}\]
\[\boxed{\mathbf{2}.}\]
\[Проверка.\]
\[\boxed{\mathbf{3}.}\]
\[30 - 8 = 22\ (дерева) -\]
\[посадили\ осенью.\]
\[Ответ:22\ дерева.\]
\[\boxed{\mathbf{4}.}\]
\[75 - 10 = 65\ (саженцев) -\]
\[прижилось.\]
\[Ответ:65\ саженцев.\]
\[\boxed{\mathbf{5}.}\]
\[k = 7:\]
\[k + 6 = 7 + 6 = 13;\]
\[28 - k = 28 - 7 = 21.\]
\[k = 8:\]
\[k + 6 = 8 + 6 = 14;\]
\[28 - k = 28 - 8 = 20.\]
\[k = 9:\]
\[k + 6 = 9 + 6 = 15;\]
\[28 - k = 28 - 9 = 19.\]
\[k = 10:\]
\[k + 6 = 10 + 6 = 16;\]
\[28 - k = 28 - 10 = 18.\]
\[\boxed{\mathbf{6}.}\]
\[Слагаемое\] | \[7\] | \[9\] | \[12\] | \[30\] | \[8\] | \[4\] |
---|---|---|---|---|---|---|
\[Слагаемое\ \] | \[8\] | \[8\] | \[16\] | \[8\] | \[20\] | \[60\] |
\[Сумма\] | \[15\] | \[17\] | \[28\] | \[38\] | \[28\] | \[64\] |
\[\boxed{\mathbf{7}.}\]
\[1\ см\ 5\ мм = 15\ мм\]
\[1\ м\ 7\ дм = 17\ дм\]
\[51\ см = 5\ дм\ 1\ см\]
\[42\ дм = 4\ м\ 2\ дм\]
\[\boxed{\mathbf{8}.}\]
\[2 + 3 + 4 = 9\ (см) - периметр.\]
\[2 + 2 + 3 = 7\ (см) - периметр.\]
\[\boxed{Вопрос.}\]