【1又24分之1-(8分之3+6分之1-4分之3)除以3/4】除以5
=【25/24-(3/8+1/6-3/4)÷3/4】÷5
=【25/24-(9/24+4/24-18/24)×4/3】÷5
=【25/24-(-5/24)×4/3】÷5
=5/24-(-1/24)×4/3
=5/24+1/24×4/3
=5/24+1/18
=15/72+4/72
=19/72
【1又24分之1-(8分之3+6分之1-4分之3)除以3/4】除以5
=【25/24-(3/8+1/6-3/4)÷3/4】÷5
=【25/24-(9/24+4/24-18/24)×4/3】÷5
=【25/24-(-5/24)×4/3】÷5
=5/24-(-1/24)×4/3
=5/24+1/24×4/3
=5/24+1/18
=15/72+4/72
=19/72