Question
39 min 36 s - 12 min 42 s = (a) _____  min (b) _____ s
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

39 min 36 s - 12 min 42 s = (a) _____  min (b) _____ s