口算：34×23=21×27=274÷36=4÷116=59÷5=2-13=5×12÷5=38÷35=

Question

口算：

(3)/(4)×(2)/(3)=	21×(2)/(7)=	(27)/(4)÷36=	4÷(1)/(16)=
(5)/(9)÷5=	2-(1)/(3)=	5×(1)/(2)÷5=	(3)/(8)÷(3)/(5)=

Answer 1

(3)/(4)×(2)/(3)=(1)/(2)	21×(2)/(7)=6	(27)/(4)÷36=(3)/(16)	4÷(1)/(16)=64
(5)/(9)÷5=(1)/(9)	2-(1)/(3)=(2)/(3)	5×(1)/(2)÷5=(1)/(2)	(3)/(8)÷(3)/(5)=(5)/(8)