\[\boxed{\mathbf{1133\ (1133)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ x \cdot 0,86 = (7 \cdot 86)\ :100\]
\[x = 7.\]
\[2)\ 2,4y = (24 \cdot 16)\ :100\]
\[y = 16\ :10\]
\[y = 1,6.\]
\[3)\ (54 \cdot z)\ :10 = 5,4 \cdot 6\]
\[z = 6.\]
\[4)\ a\ :0,35 = (7,16 \cdot 100)\ :35\]
\[a = 7,16.\]
\[5)\ b\ :6,5 = 130\ :65\]
\[b = 130\ :10\]
\[b = 13.\]
\[6)\ 46,2\ :c = 0,462\ :0,0007\]
\[c = 0,07.\]
\[\boxed{\mathbf{1133}\mathbf{.}\mathbf{\ }}\]