4分之3-(12分之1+8分之3)
=18/24-2/24-9/24
=7/24
9分之7-8分之5+3分之1-9分之1
=7/9-1/9+1/3-5/8
=6/9+3/9-5/8
=1-5/8
=3/8
(4分之1+5分之2)-(1-5分之3-4分之3)
=1/4+2/5-1+3/5+3/4
=1/4+3/4+2/5+3/5-1
=1
44分之3*8分之3+44分之3*8分之5
=3/44*(3/8+5/8)
=3/44*1
=3/44
4分之3-(12分之1+8分之3)
=18/24-2/24-9/24
=7/24
9分之7-8分之5+3分之1-9分之1
=7/9-1/9+1/3-5/8
=6/9+3/9-5/8
=1-5/8
=3/8
(4分之1+5分之2)-(1-5分之3-4分之3)
=1/4+2/5-1+3/5+3/4
=1/4+3/4+2/5+3/5-1
=1
44分之3*8分之3+44分之3*8分之5
=3/44*(3/8+5/8)
=3/44*1
=3/44