a) 8:02 − 5:17 =
[R]

b) 10:05 − 6:29 =
[R]

c) 6:00 − 3:58 =
[R]

d) 6:15 − 2:41 =
[R]

e) 4:22 − 3:00 =
[R]

f) 4:11 − 2:03 =
[R]

g) 11:04 − 7:13 =
[R]

h) 11:22 − 9:15 =
[R]

i) 10:25 − 7:26 =
[R]

j) 4:07 − 2:43 =
[R]