Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
tg�� banonpi ���ʴ��л��۾����� �ٳ������ɳ����� �����ʼ����ں���Ҿ״��� 20�����Ҿױ������� �������ɻ�ϴ�
tg�� banonpi ���ʴ��л��۾����� �ٳ������ɳ����� �����ʼ����ں���Ҿ״��� 20�����Ҿױ������� �������ɻ�ϴ�
Natural Language
Math Input
