27分之46/[2-(6分之5-4分之3)]
=46/27÷[2-1/12]
=46/27÷23/12
=46/27×12/23
=8/9
[8-(6分之5-3分之2)]/50分之47
=[8-1/6]×50/47
=47/6×50/47
=25/3
8-8分之3*5分之6/14分之3+4分之5
=8-9/20×14/3+4/5
=8+0.8-2.1
=8.8-2.1
=6.7
27分之46/[2-(6分之5-4分之3)]
=46/27÷[2-1/12]
=46/27÷23/12
=46/27×12/23
=8/9
[8-(6分之5-3分之2)]/50分之47
=[8-1/6]×50/47
=47/6×50/47
=25/3
8-8分之3*5分之6/14分之3+4分之5
=8-9/20×14/3+4/5
=8+0.8-2.1
=8.8-2.1
=6.7