c) MDC (20, 30, 25) = ______________
d) MMC (20, 30, 25) = ______________
e) MDC (12, 60) = ______________
f) MMC (12, 60) = ______________
g) MDC (40, 30) = ______________
h) MMC (40, 30) = ______________
i) MDC (25, 60) = ______________
j) MMC (25, 60) = ______________
k) MDC (12, 30, 60) = ______________
l) MMC (12, 30, 60) = ______________