棋盘分64格,在棋盘的第一格放1粒米,第2格放2粒,第3格放4粒,……放满64个格为止.要多少粒米?(注:在00:10之前发过来,并说明“^”是代表的什么数!thank you!)另外还有:单句改错:1.Those are Lin Hai parents.错在:改:2.Is his your good friend?错在:改:(thank you!)快!

问题描述:

棋盘分64格,在棋盘的第一格放1粒米,第2格放2粒,第3格放4粒,……放满64个格为止.要多少粒米?
(注:在00:10之前发过来,并说明“^”是代表的什么数!thank you!)
另外还有:单句改错:
1.Those are Lin Hai parents.错在:改:
2.Is his your good friend?错在:改:
(thank you!)快!

2^0+2^1+2^2+...+2^63
=1+2+4+...+9223372036854775808
=2^64-1
=18446744073709551616-1
=18446744073709551615
1.Lin Hai's
2.he不是his