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Experiment on the 37th face of the sixth math book of Su Jiao Primary School! Hurry up! !
answer

1. Measure the diameter d of the bottom surface of the container.

2. Measure the height of water injection surface of cylindrical container h 1.

3. Measure the height h2 of the water surface after putting the potatoes (to ensure that the potatoes completely sink into the water surface).

4. Calculate the potato volume = 1/4 * d 2 * π * (H2-H 1).

B) similarly measure the volume of iron, weigh it, and then calculate it, and limit the number of words.