急,追50(54+13分之9)/9 276*7分之2/27.6 9.25*9.9 5.48+8.73+4052+1.27
急,追50
(54+13分之9)/9 276*7分之2/27.6 9.25*9.9 5.48+8.73+4052+1.27
= = = =
9.7/1.25/0.8 17.5-4.25-5.75 0.125*0.25*32 (6.3-6.3*0.9)/6.3
= = = =
(20分之7+50分之11+25分之6)/5分之2 168.8/(24.3*2-6.4)
= =
16分之11+13分之8-(16分之11-13分之5) (4分之3+5分之2)*20+12分之5
= =
2500/6分之5+2500*5分之4 (3分之2+9分之7*28分之9)/12分之11
= =
注意: