<img style='vertical-align:middle' src="https://www.bestkids.net/android-static/%E5%85%AC%E5%8A%A1%E5%91%98/6eacd533f3ab45b68c9062bbd23279a2.001.png" width="40" height="39" alt="">＋<img style='vertical-align:middle' src="https://www.bestkids.net/android-static/%E5%85%AC%E5%8A%A1%E5%91%98/6eacd533f3ab45b68c9062bbd23279a2.002.png" width="40" height="39" alt="">＋<img style='vertical-align:middle' src="https://www.bestkids.net/android-static/%E5%85%AC%E5%8A%A1%E5%91%98/6eacd533f3ab45b68c9062bbd23279a2.003.png" width="40" height="39" alt="">＋……<img style='vertical-align:middle' src="https://www.bestkids.net/android-static/%E5%85%AC%E5%8A%A1%E5%91%98/6eacd533f3ab45b68c9062bbd23279a2.004.png" width="76" height="39" alt="">＋……＝（）。