\[\boxed{\mathbf{Страница\ 20.\ }\mathbf{Еуроки\ - \ ДЗ\ без\ мороки}}\]
\[\boxed{\mathbf{1.\ }}\]
\[453 > 435\]
\[309 < 310\]
\[3260 < 3620\]
\[401 > 399\]
\[2010 > 2001\]
\[407\ 230 > 99\ 999\]
\[250\ 988 < 402\ 988\]
\[23\ 456 > 6543\]
\[500\ 000 < 5\ 000\ 000\]
\[3\ 960\ 486 < 3\ 960\ 487\]
\[\boxed{\mathbf{2.\ }}\]
\[0,\ 6,\ 40,\ 120\] | \[2,\ 14,\ 50,\ 90\] | \[5,\ 20,\ 62,150\] | |
---|---|---|---|
\[\boxdot > 67\] | \[120\] | \[90\] | \[150\] |
\[17 < \boxdot + 3\] | \[40,\ 120\] | \[50,\ 90\] | \[20,\ 62,\ 150\] |
\[6 \cdot \boxdot > 100\] | \[40,\ 120\] | \[50,\ 90\] | \[20,\ 62,\ 150\] |
\[8 < \boxdot < 80\] | \[40\] | \[14,\ 50\] | \[20,\ 62\] |
\[\boxdot < 50 < 85\] | \[0,\ 6,\ 40\] | \[2,\ 14\] | \[5,\ 20\] |
\[\boxed{\mathbf{3.\ }}\]
\[67 < 68 < 69\]
\[107 < 108 < 109\]
\[999 < 1000 < 1001\]
\[3499 < 3500 < 3501\]
\[9999 < 10000 < 10001\]
\[17899 < 17900 < 17901\]
\[99998 < 99999 < 100000\]
\[\boxed{\ \mathbf{4.}}\]
\[\textbf{а)}\ В\ порядке\ возрастания:\]
\[12,\ 258,\ 400,\ 893,\ 964,\ 996,\ 1891.\]
\[\textbf{б)}\ В\ порядке\ убывания:\]
\[1891,\ 996,\ 964,\ 893,\ 400,\ 258,\ 12.\]