口算，看谁算的又对又快．78-38=1-26-46=120×0=200-31=28×3=57-27=386+114=15+35=98-29=44+16=

Question

口算，看谁算的又对又快．

(7)/(8)-(3)/(8)=	1-(2)/(6)-(4)/(6)=	120×0=	200-31=
28×3=	(5)/(7)-(2)/(7)=	386+114=	(1)/(5)+(3)/(5)=
98-29=	44+16=

Answer 1

(7)/(8)-(3)/(8)=(1)/(2)	1-(2)/(6)-(4)/(6)=0	120×0=0	200-31=169
28×3=84	(5)/(7)-(2)/(7)=(3)/(7)	386+114=500	(1)/(5)+(3)/(5)=(4)/(5)
98-29=69	44+16=60