Images 3.6 9

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3.6 9. 1 2 3 1 2 3. 2 1/7*3 1/9. 2 2/3-2 2/9 2-1 1/2. (1/2+1/5):2-3/10.
1 2 3 1 2 3. 2 1/7*3 1/9. 2 2/3-2 2/9 2-1 1/2. (1/2+1/5):2-3/10.

See also