The number of days from the dates shown on the calendar until his birthday is?

The number of days from the dates shown on the calendar until his birthday is? the greatest number of Mondays,which can occur in 45 consecutive days,is A number of colourful lights (hang) on the tree these days 谁来帮我做做这数学题目.1.the sum of 27 and a number n2.13 less than a number n and 23.twice a number x4.the quotient of a number n and 45.the number of minutes in s seconds6.the number of days in w weeks7.the number of pages in r reams of the days of the a number of the number of the number of,a small number of,a number of. 389 is the number of days in a year (365) added to the number of months twice (24).这里的months twice 该怎么理解? the number of造句 the number of造句 the reciprocal of number the number of中文 the number of 是什么意思? the number of同义词 The number of students Number of the black Days of the my days of the