\[\boxed{\mathbf{Страница\ 3.}еуроки - ответы\ на\ пятёрку}\]
\[\boxed{\mathbf{1.}}\]
\[Отметьте\ галочкой\ ответы:\]
\[16 > 9\]
\[48 = 40 + 8\]
\[11 + 9 = 20\]
\[17 - 8 > 0\]
\[24 \cdot 0 = 0\]
\[\boxed{\mathbf{2.}}\]
\[(17 + 8) + 20 < 50\]
\[45 < 50\]
\[31 + 60 - 3 > 81\]
\[88 > 81\]
\[(100 - 29) - 6 = 65\]
\[(46 + 4) - 40 = 10\]
\[\boxed{\mathbf{3.}}\]
\[7 \cdot 3 > 20\]
\[8 + 2 < 8 \cdot 2\]
\[5 \cdot 3 > 5 \cdot 2\]
\[\boxed{\mathbf{4.}}\]
\[Равенство:\]
\[6 \cdot 5 = 6 \cdot 4 + 6\]
\[5 \cdot (4 + 3) = 5 \cdot 4 + 5 \cdot 3\]
\[Неравенство:\]
\[7 \cdot 3 < 7 \cdot 4\]
\[(20 + 6) \cdot 3 > 20 \cdot 2 + 6 \cdot 3\]
\[\boxed{\mathbf{5.}}\]
\[10 \cdot 0 = 0\]
\[20 + 0 = 20\]
\[6 - 2 < 7\]
\[9 \cdot 5 < 50\]
\[3 \cdot 1 = 3\]
\[4\ :1 = 4\]