问题
填空题
已知am=9,an=8,ak=4,则am-2k+n=______.
答案
∵am=9,an=8,ak=4,
∴am-2k+n=am÷a2k•an,
=am÷(ak)2•an,
=9÷16×8,
=4.5.
已知am=9,an=8,ak=4,则am-2k+n=______.
∵am=9,an=8,ak=4,
∴am-2k+n=am÷a2k•an,
=am÷(ak)2•an,
=9÷16×8,
=4.5.