11点55用英语

I have classes from twenty to nine to five to twelve.

8×3.75÷4=7.5(千米）.原来是7.5千米

6点的夹角180度
10点半的夹角30×10-（6-0.5）×30=300-165=135度
10点45分的夹角30×10-（6-0.5）×45=300-247.5=52.5度
5点15分的夹角30×5-（6-0.5）×15=150-82.5=67.5度
8点的夹角360-30×8=360-240=120度
11点55的夹角30×11-（6-0.5）×55=330-302.5=27.5度

half past six 或six thirty
a quarter past seven或 seven fifteen
nine thirty 或five twenty five to nine
a quarter to twelve 或eleven fouty five
half past twelve 或twelve thirty
ten past seven或 seven ten
twenty to eleven 或ten fouty
five to twelve 或eleven fifty five
分钟在30一下的为 分钟数+past +点钟数
分钟在30一上的为 (60-分钟数 )+to+(点钟数+1）
另外所有时间都可以用一个通用表示形式 点钟数+分钟数

1点50--one fifty,4点15--four fifteen 6点30--six thirty 8点45--eight forty-five 11点55--eleven fifty-five

1点50 ten to two/ one fifty4点15 a quater pass four/ four fifteen6点30 a half pass 6/ a half to seven/ six thirty8点45 a quater to nine/ eight fourty-five11点55 five to twelve / eleven fifty-five

twenty -five past five5 to 12ten past ten half past sixseven o'clocka quarter past three ten past threeten to fivetwenty-five to threea quarter to ninetenwty past nine