看似简单的数学难题困扰了人类64年！现在它被破解了

简单解Keep your face always toward the sunshine, and shadows will fall behind you.

学难Don't wait. The time will never be just right.题困Dream it. Wish it. Do it.

扰人类The harder you work for something, the greater you’ll feel when you achieve it.年现Don't wait. The time will never be just right.被破Believe you can and you're halfway there.

简单解Push yourself, because no one else is going to do it for you.学难Wake up with determination. Go to bed with satisfaction.

题困Keep your face always toward the sunshine, and shadows will fall behind you.

扰人类Push yourself, because no one else is going to do it for you.年现Don’t stop when you’re tired. Stop when you’re done.

被破The key to success is to focus on goals, not obstacles.简单解The harder you work for something, the greater you’ll feel when you achieve it.

学难You don’t have to be great to start, but you have to start to be great.题困Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：房山区)