将下列图片与相应的句子连线。
① ____ A. I like winter. I can skate.
② ____ B. I like spring. I can ride a bike.
③ ____ C. I like summer. I can swim.
④ ____ D. I like autumn. I can fly a kite.
观察下列各式:
1+112+122 =1+ 11 ﹣ 12 =1 12
1+122+132 =1+ 12 ﹣ 13 =1 16
1+132+142 =1+ 13 ﹣ 14 =1 112
请你根据上面三个等式提供的信息,猜想: