Question

Упростите выражение 5/12(4,8p-4 4/5k)-4,5(4/7p-0,4k)

Answer 1

5/12 (4,8p-4 4/5k)-4,5 (4/7p-0,4k)=5/12 (24/5p-24/5k)-9/2 (4/7p-2/5k)=2p-2k-18/7p+9/5k=2p-2 4/7p-2k+1,8k=-0,2k-4/7p