4分之3÷[56×(7分之3-8分之3)]
=3/4÷【56×3/7-56×3/8】
=3/4÷【24-21】
=3/4÷3
=1/4
(8分之5+27分之1)×8+27分之19
=5/8×8+1/27×8+19/27
=5+(8/27+19/27)
=5+1
=6
35÷8分之7×1-7分之2
=35×8/7-2/7
=40-2/7
=39又5/6
4分之3÷[56×(7分之3-8分之3)]
=3/4÷【56×3/7-56×3/8】
=3/4÷【24-21】
=3/4÷3
=1/4
(8分之5+27分之1)×8+27分之19
=5/8×8+1/27×8+19/27
=5+(8/27+19/27)
=5+1
=6
35÷8分之7×1-7分之2
=35×8/7-2/7
=40-2/7
=39又5/6