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Daily thinking exercises of mathematics in the fifth grade of primary school
Xiaojun 180, Xiaolan 144, Xiao Bing 162. Xiao Jun counts as 5 minutes, Xiaolan counts as 10 minutes, Xiao Bing counts as 6 minutes and Xiaolan counts as 9 minutes. Together, it is equal to 27486 divided by 27, which is equal to 18. This is calculated by Xiaolan in one minute. 18 times 10 is the number calculated by Xiaojun. 18 times 8 is the number calculated by Xiaolan, and 18 times 9 is the number calculated by Xiao Bing.