How to do the first question on page 35 of the first volume of mathematics exercises and tests in the third grade of primary school? Topic of Mathematics Paradise: Timetable of T66 Express Train from Nanjing to Beijing ..... 2 1:00——9:00

23:00—— 1 1:00

3:30——3:00

8:30——8:00

If it exceeds 12: 00, just subtract 12 when using it.

Uh, uh, do you understand? . ?

For example, 13: 00, you can subtract 12 from 13, which equals 1, so the final result is 1:00.