\[\boxed{\mathbf{1.}}\]
\[\textbf{а)}\ + ;\]
\[\textbf{б)}\ не\ высказывание;\]
\[\textbf{в)}\ - ;\]
\[\textbf{г)}\ + ;\]
\[\textbf{д)}\ + ;\]
\[\textbf{е)} + .\]
\[\boxed{\mathbf{2.}}\]
\[\textbf{а)}\ 4 - x\ (книг) - осталось\ на\ \]
\[полке.\]
\[x = \left\{ 1;2;3;4 \right\}.\]
\[\textbf{б)}\ \ 10\ :n\ (орехов) - получил\ \]
\[каждый\ ребенок.\]
\[m = \left\{ 2;5 \right\}.\]
\[\boxed{\mathbf{3.}}\]
\[a\] | \[18\] | \[210\] | \[360\] | \[5700\] | \[10\ 008\] |
---|---|---|---|---|---|
\[a \cdot 5\] | \[90\] | \[1050\] | \[1800\] | \[28\ 500\] | \[50\ 040\] |
\[a\ :3\] | \[6\] | \[70\] | \[120\] | \[1900\] | \[3336\] |
\[a + 96\] | \[114\] | \[306\] | \[456\] | \[5736\] | \[10\ 104\] |
\[a - 18\] | \[0\] | \[192\] | \[342\] | \[5682\] | \[9990\] |
\[\boxed{\mathbf{4.}}\]
\[x \cdot 5 = a\]
\[x = a\ :5\]
\[d\ :x = n\]
\[x = d\ :n\]
\[48 - x = b\]
\[x = 48 - b\]
\[x - m = a\]
\[x = a + m\]
\[x\ :9 = c\]
\[x = c \cdot 9\]
\[k + x = t\]
\[x = t - k\]
\[\boxed{\mathbf{5.}}\]
\[a - 34 > a - 43\]
\[526\ :b < 536\ :b\]
\[12 \cdot c + 6 \cdot c > c \cdot 16\]
\[3 \cdot (d + d) > 3 \cdot d + 2 \cdot d\]