\[\boxed{\ \mathbf{452\ (452)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 34\ 250\ 000\ :10 = 3\ 425\ 000\]
\[2)\ 34\ 250\ 000\ :1000 = 34\ 250\]
\[3)\ 34\ 250\ 000\ :10\ 000 = 3425\]
\[4)\ 25\ 600\ :80 = 2560\ :8 = 320\]
\[5)\ 25\ 600\ :800 = 256\ :8 = 32\]
\[6)\ 2\ 430\ 000\ :180 =\]
\[= 243\ 000\ :18 = 13\ 500\]
\[7)\ 2\ 430\ 000\ :1800 =\]
\[= 24300\ :18 = 1350\]
\[8)\ 2\ 430\ 000\ :18\ 000 =\]
\[= 2430\ :18 = 135\]
\[\boxed{\ \mathbf{452\ (414)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1 \cdot (2 + 3) \cdot 4 \cdot 5 = 1 \cdot 5 \cdot 4 \cdot 5 =\]
\[= 100\]
\[ИЛИ\]
\[(1 \cdot 2 + 3) \cdot 4 \cdot 5 = 5 \cdot 4 \cdot 5 =\]
\[= 100\]