Microsoft Office 2000

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D=V x t =30km/h x 2 =60KmT=d/v = 80km / 40km/h =2h

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--?-2 ?

-Km2??

-40km/h2Km?

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-60km/h ?-Km?

-20Km/h?-??-?-?- -?-?-? ?

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d=v x t

- 80km

-d=v x t = 40 x 2 =80km

-20Km/h

60km/h 40km/h =20km/h

---t= d/v-

t=d /v

d=80km

v=20km/h

t=80/20=4h

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-(80Km)

-( )-()

-20 km/h

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--t= d/v-

d=80km

d=20km/h

-t=4h

:123=

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.km/h km/h.?

.km/h km/h?

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