a) 9:16 − 6:13 =
[R]

b) 5:43 − 2:04 =
[R]

c) 11:16 − 9:04 =
[R]

d) 4:34 − 2:05 =
[R]

e) 7:13 − 5:32 =
[R]

f) 3:07 − 2:05 =
[R]

g) 5:22 − 3:34 =
[R]

h) 10:14 − 7:04 =
[R]

i) 6:13 − 4:32 =
[R]

j) 9:04 − 7:54 =
[R]