'Easure 4 ml' presentation slideshows

Measure 25 ml of red water and pour it into test tube A.

Measure 25 ml of red water and pour it into test tube A. Step 1. Remember 25 is 5 lines above the 20. Measure 19 ml of yellow water and pour it into test tube C. Step 2. Remember 19 is one line below the 20. Measure 22 ml of blue water and pour it into test tube E. Step 3.

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