杠杆
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TIFFANY_TEOH
Instrucciones del autor
抬起重物时所需的力与阻力点、支点和动力点三者支点的相对距离有关
Explora las hojas de trabajo
Цврсти материи, течности и гасови
- Science
- 4th grade
Palancas de Tercer Género
- Science
- 4th grade
Evaporation & condensation
- Science
- 4th grade