9分之8×[4分之3÷﹙3分之1+5分之1﹚]
=8/9×3/4÷8/15
=2/3÷8/15
=5/4
=1.25
6÷4分之3-4分之3÷6
=8-1/8
=7又7/8
﹙3分之2+4分之1-6分之5﹚×12
=2/3×12+1/4×12-5/6×12
=8+3-10
=1
36÷﹙9分之7+3分之2)
=36÷13/9
=324/13
10分之11-4分之1-4分之3+10分之9
=(11/10+9/10)-(1/4+3/4)
=2-1
=1
87×88分之86
=(88-1)×86/88
=86-86/88
=85又1/44
9分之5÷5+5÷9分之5
=1/9+9
=9又1/9
2.75+3分之2+1又6分之1
=2.75+(2/3+1又1/6)
=2又3/4+1又5/6
=4又7/12
1-36分之7÷18分之5-18分之5
=1-7/10-5/18
=3/10-5/18
=1/45
15分之4÷﹙9分之13+3分之2×6分之5﹚
=4/15÷(13/9+5/9)
=4/5÷2
=2/5