a) 9:10 − 6:00 =
[R]

b) 8:11 − 4:40 =
[R]

c) 8:13 − 4:20 =
[R]

d) 9:20 − 7:20 =
[R]

e) 9:35 − 6:20 =
[R]

f) 11:14 − 7:39 =
[R]

g) 11:21 − 8:05 =
[R]

h) 4:23 − 2:04 =
[R]

i) 4:24 − 3:06 =
[R]

j) 9:20 − 6:37 =
[R]