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036_G1U28_G2U4˙—» ¿º 2011.3.22 5:8 PM ˘ ` 108 PDF_In 2540DPI 150LPI T
Unit
28 Balancing Weights
Place weights to balance the scales. Fill in the .
20 30 20 30 5
Why?
10 10 10 10
Why?
20 10 20 10
Why?
108
Unit
28 Balancing Weights
Place weights to balance the scales. Fill in the .
20 30 20 30 5
Why?
10 10 10 10
Why?
20 10 20 10
Why?
108
