< 0in 0in 0pt"><FONT size=3>将<FONT face="Times New Roman">10</FONT>升的油倒到<FONT face="Times New Roman">7</FONT>升的桶里,余<FONT face="Times New Roman">3</FONT>升。</FONT></P>< 0in 0in 0pt"><FONT size=3>在用<FONT face="Times New Roman">3</FONT>升的桶量取<FONT face="Times New Roman">6</FONT>升的油到十升的桶里,余<FONT face="Times New Roman">1</FONT>升到<FONT face="Times New Roman">3</FONT>升的桶里。</FONT></P>< 0in 0in 0pt"><FONT size=3>将<FONT face="Times New Roman">10</FONT>升桶里的油倒入<FONT face="Times New Roman">7</FONT>升桶里,余<FONT face="Times New Roman">2</FONT>升。</FONT></P>< 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman">7</FONT>升桶里的油倒满<FONT face="Times New Roman">3</FONT>升的桶,余<FONT face="Times New Roman">5</FONT>升。</FONT></P>< 0in 0in 0pt"><FONT size=3>将<FONT face="Times New Roman">3</FONT>升的油倒入<FONT face="Times New Roman">10</FONT>升的桶里,<FONT face="Times New Roman">5</FONT>升</FONT></P>