A^ (3/4) ×b^ (5/24) ÷ (a^ (5/12) ×b^ (1/8)

a^ (3/4) ×b^ (5/24) ÷ (a^ (5/12) ×b^ (1/8)=a^ (3/4) ×b^ (5/24) ×a^ (-5/12) ×b^ (-1/8)=a^ (3/4-5/12) ×b^ (5/24-1/8)=a^ (9/12-5/12) ×b^ (5/24-3/24)=a^ (4/12) ×b^ (2/24)=a^ (1/3) ×b^ (1/12) отв: a^ (1/3) ×b^ (1/12)