\[\boxed{Стр.\ \mathbf{88}\text{.\ \ }\mathbf{ОК\ ГДЗ\ - \ домашка\ на\ 5}}\]
\[\boxed{\mathbf{1}.}\]
\[8 \cdot 7 = 56\]
\[9 \cdot 8 = 72\]
\[8 \cdot 8 = 64\]
\[72\ :8 = 9\]
\[56\ :8 = 7\]
\[48\ :8 = 6\]
\[7 \cdot 4 = 28\]
\[8 \cdot 3 = 24\]
\[9 \cdot 6 = 54\]
\[42\ :7 = 6\]
\[18\ :9 = 2\]
\[28\ :4 = 7\]
\[\boxed{\mathbf{2}.}\]
\[1)\ 56\ :8 = 7\ (мин).\]
\[2)\ 72\ :8 = 9\ (мин).\]
\[3)\ 48\ :8 = 6\ (мин).\]
\[\boxed{\mathbf{3}.}\]
\[56\ :7 + 49 = 8 + 49 = 57\]
\[90 - 9 \cdot 7 = 90 - 63 = 27\]
\[100 - 8 \cdot 8 = 100 - 64 = 36\]
\[49\ :7 + 34 = 7 + 34 = 41\]
\[26 + 8 \cdot 9 = 26 + 72 = 98\]
\[63\ :9 + 45 = 7 + 45 = 52\]
\[71 - 5 \cdot 9 = 71 - 45 = 26\]
\[63 - 42\ :6 = 63 - 7 = 56\]
\[7 \cdot 8 + 44 = 56 + 44 = 100\]
\[32\ :8 + 76 = 4 + 76 = 80\]
\[37 - 54\ :6 = 37 - 9 = 48\]
\[28\ :4 + 53 = 7 + 53 = 60\]
\[\boxed{\mathbf{4}.}\]
\[Множитель\] | \[9\] | \[9\] | \[5\] | \[4\] | \[5\] | \[7\] |
---|---|---|---|---|---|---|
\[Множитель\] | \[7\] | \[6\] | \[9\] | \[8\] | \[8\] | \[4\] |
\[Произведение\] | \[63\] | \[54\] | \[45\] | \[32\] | \[40\] | \[28\] |
\[\boxed{\mathbf{5}.}\]
\[4\ дм < 3\ м = 30\ дм\]
\[6\ дм = 60\ см > 9\ см\]
\[3\ дм\ 9\ см = 39\ см < 40\ см\]
\[78\ см < 8\ дм\ 7\ см = 87\ см\]
\[\boxed{\mathbf{6}.}\]
\[\boxed{\mathbf{Вопрос}.}\]
\[8 \cdot 7 = 56\]
\[6 \cdot 8 = 48\]
\[8 \cdot 9 = 72\]
\[8 \cdot 5 = 40\]
\[64\ :8 = 8\]