數學課
Live Cricket Streaming & Live Cricket Score on starsports.com有一天,老師在上課時說:【數學記算要精確,】老師打一個比方說:【一個房子一個人需要蓋十天,但是十個人蓋房子一天就可以蓋好了。】老師剛說完話就有一個學生舉手說:一艘輪船需要七天的時間才能送貨到對岸,但是七艘輪船只需要一天的時間就可以送貨到對岸了。學生剛說完話老師臉就紅了!!不知如何回答學生。Watch live cricket streaming online & enjoy live cricket scores on starsports.com. Catch your favorite live cricket match updates & streaming now! ... Live Cricket Score & Streaming Cricket fans, here is a solution to all your cricketing woes; Watch your ...
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