Question 1

តើល្បឿនជាអ្វី?

Accepted Answer

ផលធៀបរវាងចម្ងាយនឹងរយៈពេល

Answer

ផលធៀនរវាងរយៈពេលនឹងរយៈពេល

Answer

ផលធៀបរវាងចម្ងាយនឹងចម្ងាយ

Question 2

ល្បឿនតាងដោយ

Accepted Answer

V

Answer

t

Answer

d

Question 3

ចម្ងាយចរតាងដោយ

Accepted Answer

d

Answer

t

Answer

v

Question 4

រយៈពេលចរតាងដោយ

Accepted Answer

t

Answer

d

Answer

v

Question 5

រូបមន្ដល្បឿន

Accepted Answer

V = d ៖ t

Answer

V = d x t

Answer

V = t ៖ d

Question 6

រូបមន្ដចម្ងាយចរ

Accepted Answer

d = V x t

Answer

d = V ៖ t

Answer

d = t ៖ v

Question 7

រូបមន្ដរយៈពេលចរ

Accepted Answer

t = d ៖ v

Answer

t = v ៖ d

Answer

t = d x v

Question 8

30mn =

Accepted Answer

0.5h

Answer

0.75h

Answer

0.25h

Question 9

15mn =

Accepted Answer

0.25h

Answer

0.75h

Answer

0.5h

Question 10

45mn =

Accepted Answer

0.75h

Answer

0.25h

Answer

0.5h

Question 11

ពីAទៅB មានចម្ងាយ150km និងប្រើពេលអស់ 3h ។ រកល្បឿន៕

Accepted Answer

50km/h

Answer

30km/h

Answer

40km/h

Question 12

ម៉ូតូមួយបើកក្នុងល្បឿន 40km/h ដោយបើកបរអស់រយៈពេល 1h30mn ។រកចម្ងាយចរ។

Accepted Answer

60km

Answer

50km

Answer

70km

Question 13

ឡានមួយបើកបរចេញពី Aក្នុងល្បឿន 70km/h ដោយពីA ទៅBមានចម្ងាយ420km.។រករយៈពេល។

Accepted Answer

6h

Answer

5h

Answer

7h

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