a) 8:25 − 7:07 =
[R]

b) 6:05 − 3:54 =
[R]

c) 6:36 − 3:17 =
[R]

d) 7:18 − 6:07 =
[R]

e) 11:04 − 9:26 =
[R]

f) 4:37 − 2:01 =
[R]

g) 6:15 − 2:24 =
[R]

h) 4:22 − 3:01 =
[R]

i) 6:06 − 3:16 =
[R]

j) 7:38 − 5:13 =
[R]