(48-24)÷(4/7-8/19)
=24÷(76/133-56/133)
=24÷(20/133)
=798/5吨
798/5-[798/5*(3/7)-24]*2
=798/5-[2394/35-24]*2
=798/5-[1554/35]*2
=798/5-3108/35
=70.8
(48-24)÷(4/7-8/19)
=24÷(76/133-56/133)
=24÷(20/133)
=798/5吨
798/5-[798/5*(3/7)-24]*2
=798/5-[2394/35-24]*2
=798/5-[1554/35]*2
=798/5-3108/35
=70.8