九点四十五分用英文怎么读

three kilos of fish
five bottles of juice
six pieces of paper
two pairs of trousers
half past ten
a quarter past six
a quarter to ten
twenty plus twelve

可求AB：9:45-8:00=1.75h
AB=1.75*20=35海里
角PAB=24°；因为小岛P在北偏西48度,所以角PBA=180-48=132°
三角型知道了2个内角,所以角BPA=180-132-24=24,因此BPA为等边三角
AB=PB=35海里

三千克鱼three kg fish两瓶果汁two bottles of juice 六张纸six piceses of paper
两条裤子two pairs of trousers十点半钟half past ten六点一刻fifteen past six
九点四十五分fouty-five past nine 二十加十二twenty plus twelve
1）There are seven days in a week.
(2) There are twenty-eight or twenty-nine days in february.
(3) There are twenty-four hours in a day.
(4)What's nine plus five?It's thirteen.
(5)I have ten apples.Five are green,five are red.
(6)There are thirty-two books in the box.Two are Chinese books,thirty are picture books.
(1)September is the ninth month of a year.
(2)October the firt is National Day.
(3)Usually there are three hundred and sixty-five days in a year.
(4)Twenty-four minus seventeen is seven.

9点45：a quarter to ten 或nine forty and five
7点15：seven fieteen a quarter past seven

分针转了：(45-15)*(360/60)=30*6=180度
时针转了：(45*(5/60)-15*(5/60))*(360/60)=(45/12-15/12)*6=15度

Nine forty-five应该是九点四十五分的意思吧 个人意见
还可以说a quarter to ten