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Mathematics 13 Online
OpenStudy (anonymous):

What is an example of an early simple machine?

OpenStudy (anonymous):

@jigglypuff314 @lonnie455rich

jigglypuff314 (jigglypuff314):

wheel?

jigglypuff314 (jigglypuff314):

pulley?

jigglypuff314 (jigglypuff314):

incline plane?

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