\[\boxed{\mathbf{Страница}\mathbf{\ 3}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{1}\mathbf{.}\mathbf{\ }}\]
\[456,\ 478,\ 567,\ 576,\ 678,\ 786,\ 876\]
\[\boxed{\mathbf{2}\mathbf{.}\mathbf{\ }}\]
\[a\] | \[340\] | \[782\] | \[543\] | \[800\] | \[550\] | \[214\] |
---|---|---|---|---|---|---|
\[a - 15\] | \[325\] | \[767\] | \[528\] | \[785\] | \[535\] | \[199\] |
\[c\] | \[239\] | \[328\] | \[775\] | \[606\] | \[499\] | \[807\] |
---|---|---|---|---|---|---|
\[c + 104\] | \[343\] | \[432\] | \[879\] | \[710\] | \[603\] | \[911\] |
\[\boxed{\mathbf{3}\mathbf{.}\mathbf{\ }}\]
\[908,\ \ \ 909,\ \ \ 910\]
\[699,\ \ \ 700,\ \ \ 701\]
\[879,\ \ \ 880,\ \ \ 881\]
\[998,\ \ \ 999,\ \ \ 1000\]
\[\boxed{\mathbf{4}\mathbf{.}\mathbf{\ }}\]
\[65\ :13 + (45 - 15) \cdot 30 =\]
\[= 5 + 900 = 905\]
\[78\ :3 - 90\ :18 + 53 =\]
\[= 26 - 5 + 53 = 74\]
\[24 \cdot 3 - 48\ :6 + 90\ :5 =\]
\[= 72 - 8 + 18 = 82\]
\[15 \cdot 4 + 91\ :13 - 49 =\]
\[= 60 + 7 - 49 = 18\]
\[66\ :11 = 6\]
\[72\ :18 = 4\]
\[39\ :13 = 3\]
\[45\ :15 = 3\]