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រង្វាស់រង្វាល់

Authored by srey pao meng

Mathematics

7th - 8th Grade

Used 2+ times

រង្វាស់រង្វាល់
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

គណនាsបើd=2mm

s=3.14×106m2s=3.14\times10^{-6}m^2

s=314×106m2s=314\times10^{-6}m^2

s=3.14 m2m^2

s=314 m2m^2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

គណនាSបើd=4dm

S=1254×104m2S=1254\times10^{-4}m^2

S=12.54×104m2S=12.54\times10^4m^2

m2m^2 S=12.54×104m2S=12.54\times10^{-4}m^2

S=12.54 m2m^2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 md=10mm; μ=7.874gcm3  ;l=4mគណនាmបើd=10mm;\ \mu=\frac{7.874g}{cm^3}\ \ ;l=4m  

m=2.5kg

m=2.4kg

m=2.3kg

m=2.54kg

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

គណនាdបើ v=25m/s t=5s

d=30m

d=125m/s

d=125m

d=120m

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

គណនាV បើd=40km; t=2h

v=80km/h

v=80km

v=20km/h

v=20km

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