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问题12005年4月1日(愚人节)是星期五,并且知道2004年是闰年.问2004年4月1日是星期几?2003年41日又是星期几?问题26个同学在一起下棋,每个人都与其他同学要下一盘棋,问:每一个同学要下几盘棋?他们总共下了多少盘棋?问题3双胞胎哥哥大宝从家里到学校要花8分钟,弟弟小宝在1个小时内可以4个来回,问哪个速度快?说明理由问题4小珊想要复印她的小词典中的第12、19、30、31和47页,已知复印一张需要3角钱.小珊要花多少钱?复印之前小珊发现还有13、48页要复印,按此种情况,她要花多少钱?
Question 1 April 1, 2005 (April Fools Day) is Friday, and it is known that 2004 is a leap year. What is the date of the week on April 1, 2004? What day of the week is April 31, 2003? Question 26 students play chess together, Everyone wants to play next game with other classmates. Q: How many games do each classmate play? How many chess games do they have? Question 3 Twin brothers Dabao takes 8 minutes from home to school, and his younger brother Xiao Bao spends 1 hour. You can go back and forth within 4 times, and ask which one is fast? Explain why the problem 4 Xiaoshan wants to copy the pages 12, 19, 30, 31, and 47 of her small dictionary. It is known that copying requires 3 cents. Xiaoshan How much does it cost? Before copying, Xiaoshan found that there are still 13, 48 pages to be copied. In this case, how much does she spend?