}ĿͨԿҵĴϸһСˮ飬ظ͕r߀ϽYбPˮ顢ķ_
A. ˮAγ
B. ڴһ
C. ˮҺγ
D. ڴ҃һ
Ŀ Դ }ͣ
}ĿСñĤˮƳˮRģMеľw,^ҕۺhҕ۵ĽС.МyüD10 cm,ٌքeD҈DDΠ,քey,Dʾ.
(1)yýС10 cmLjD______,ģMҕ۵LjD______.
(2)ͬһλ,üҡRքeh̎ijһw,Ƅӹõ,^_______D.
(3)Ŀǰܶҕߴ[RCҕ.[RһNֱNڽĤijRƬ,S\,ĺֻ0.05 mm,tRƬ߅______(xСڡڡڡ)0.05 mm,RƬ______(xۡlɢ).
鿴𰸺ͽ>>
Ŀ Դ }ͣ
}ĿІλQ^_
A.110 mm=110 mm1/1000=0.11 m
B.360 km=3601 000=3.6105 m
C.72 km/h=72 km/h1/3.6m/s=20m/s
D.10 m/s=103.6 km/h=36 km/h
鿴𰸺ͽ>>
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