\[\boxed{\mathbf{Страница\ 52.\ }\mathbf{Еуроки\ - \ ДЗ\ без\ мороки}}\]
\[\boxed{\mathbf{1.\ }}\]
\[\mathbf{1.}\]
\[\textbf{а)}\ 3 < c < 7\]
\[c = 4;5;6.\]
\[\textbf{б)}\ \ d = 20;40;60;80.\]
\[\mathbf{2.\ }\]
\[8 - x\ \]
\[(залов\ в\ краеведческом\ музее).\]
\[x = 0;\ 1;2;3;4;5;6;7;8.\]
\[\mathbf{3.}\]
\[a\] | \[28\] | \[160\] | \[3600\] | \[8004\] |
---|---|---|---|---|
\[a \cdot 6\] | \[168\] | \[960\] | \[21\ 600\] | \[48\ 024\] |
\[a\ :4\] | \[7\] | \[40\] | \[900\] | \[2001\] |
\[a + 94\] | \[122\] | \[254\] | \[3694\] | \[8108\] |
\[a - 28\] | \[0\] | \[132\] | \[3572\] | \[7976\] |
\[\mathbf{4.}\]
\[15 - m - 9 < 15 - (m + 8)\]
\[6 - m < 7 - m\]
\[b \cdot 12 = 5 \cdot b + 7 \cdot b\]
\[b \cdot 12 = b \cdot (5 + 7)\]
\[b \cdot 12 = b \cdot 12\]
\[\boxed{\mathbf{2.\ }}\]
\[\mathbf{1.}\]
\[\mathbf{а)\ }\mathbf{5 < n < 8}\]
\[\mathbf{n = 6;7.}\]
\[\mathbf{б)\ y = 1;2;7;14.\ }\]
\[\mathbf{2.}\]
\[4 - k\ \Longrightarrow мелков\ осталось\ у\ \]
\[Лизы.\]
\[k = 0;1;2;3;4.\]
\[\mathbf{3.}\]
\[x\] | \[35\] | \[210\] | \[4200\] | \[7014\] |
---|---|---|---|---|
\[x \cdot 4\] | \[140\] | \[840\] | \[16\ 800\] | \[28\ 056\] |
\[x\ :7\] | \[5\] | \[30\] | \[600\] | \[1002\] |
\[x + 98\] | \[133\] | \[308\] | \[4298\] | \[7112\] |
\[x - 35\] | \[0\] | \[175\] | \[4165\] | \[6\ 979\] |
\[\mathbf{4.}\]
\[(96 + x) - 6 = 96 + (x - 6)\]
\[96 + x - 6 = 96 + x - 6\]
\[90 + x = 90 + x\]
\[4 \cdot a + 8 \cdot a < a \cdot 42\]
\[a \cdot (4 + 8) < a \cdot 42\]
\[a \cdot 12 < a \cdot 42\]
\[\mathbf{Урок\ 34.\ Уравнения}\]