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คำแนะนำของผู้เขียน

كيف نرى

สำรวจแผ่นงาน

Thermometer

Physical Science - Science

How to use the thermometer correctly

Thermometer

Physical Science - Science

How to use the thermometer correctly

Materials

Physical Science - Science

Circle the letter of the correct answer 

Materials

Physical Science - Science

Circle the letter of the correct answer