" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
350-50x3/5+7,4:37/40=
350/1-[(50/1x3/5)+(74/10:37/40)]=
350-[30+8]= 350-38=312
2.
Dane:
v=750 km/h
s=450km
Szukane:
t=?
Wzór:
v=s/t
t=v/s
t=750km/h/450km
t=30h
Odp. D
(Wzór wykorzystany z fizyki)
3.
a)1 3/5+3,25= 1 3/5+325/100= 8/5+325/100= 20/100+325/100= 345/100= 3 45/100= 3 9/20
b)1,5x1 4/5= 15/10x1 4/5= 15/10x9/5= 27/10= 2 7/10
d)1 5/8 : 3,25= 1 5/8:325/100= 13/8:100/325= 1/2