คำแนะนำของผู้เขียน
A worksheet to review forces and to calculate resultant forces, weight and pressure. A cross-word puzzle in included.
Forces: resultant and weight
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คำแนะนำของผู้เขียน
A worksheet to review forces and to calculate resultant forces, weight and pressure. A cross-word puzzle in included.
สำรวจแผ่นงาน
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