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There are five Saturdays and four Sundays in October of a certain year. October 1 of this year is () A. Monday B. Tuesday C. Wednesday D. Thursday
October has 31 days, and 31 = 4 × 7 + 3, so this month has 4 weeks and 3 days. We can use the hypothetical method to calculate the first Saturday of this month: (1) if October 1 is a Saturday, then October 2, 9, 16, 23 and 30 are all Sundays, and there are 5 Sundays
There are five Saturdays and four Sundays in October of a certain year. October 1 of this year is ()
A. Monday B. Tuesday C. Wednesday D. Thursday
October has 31 days, and 31 = 4 × 7 + 3, so this month has 4 weeks and 3 days. We can use the hypothetical method to calculate the first Saturday of this month: (1) if October 1 is a Saturday, then October 2, 9, 16, 23 and 30 are all Sundays, and there are 5 Sundays
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