a) 9:14 − 7:16 =
[R]

b) 8:33 − 5:11 =
[R]

c) 12:06 − 10:39 =
[R]

d) 5:28 − 4:26 =
[R]

e) 12:24 − 9:05 =
[R]

f) 6:00 − 4:05 =
[R]

g) 3:29 − 1:18 =
[R]

h) 5:04 − 2:18 =
[R]

i) 12:19 − 9:30 =
[R]

j) 11:22 − 9:18 =
[R]