如果x>y,那么2-x______2-y.(填“>”“<”或“=”)
∵x>y,
∴-x<-y,
∴-x+2<-y+2,
即2-x<2-y,
故答案为:<.
大米中的淀粉主要是直链淀粉。()
()will the discharging operations take?
A.How long
B.How length
C.How many times
D.How many shift