\[Стр.\ 11.\]
\[\boxed{\mathbf{5.}}\]
| \[число\] | \[2\] | \[13\] | \[- 5\] | \[0\] | \[80\] | \[16\] | \[- 10\] | \[- 67\] | \[- 5\] | \[- 12\] |
|---|---|---|---|---|---|---|---|---|---|---|
|
\[Противоположное\] \[число\] |
\[- 2\] | \[- 13\] | \[5\] | \[0\] | \[- 80\] | \[- 16\] | \[10\] | \[67\] | \[5\] | \[12\] |
\[\boxed{\mathbf{6.}}\]
| \[Число\] | \[Противоположное\ число\] |
|---|---|
| \[+ 2\] | \[- ( + 2) = - 2\] |
| \[+ 8\] | \[- ( + 8) = - 8\] |
| \[- 10\] | \[- ( - 10) = 10\] |
| \[- 23\] | \[- ( - 23) = 23\] |
| \[+ 5\] | \[- ( + 5) = - 5\] |
| \[+ 19\] | \[- ( + 19) = - 19\] |
| \[- 100\] | \[- ( - 100) = 100\] |
| \[- 310\] | \[- ( - 310) = 310\] |
| \[+ 206\] | \[- ( + 206) = - 206\] |
\[\boxed{\mathbf{7.}}\]
\[\textbf{а)}\ отрицательное;\]
\[\textbf{б)}\ положительное.\]