Images 7.3 1.2

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7.3 1.2. 2 2/3-2 2/9 2-1 1/2. -2/9-(-1 5/6). 9-3 1/7*(1 3/7+2 1/2) : 2 1/7. 7/4:3/2-2/3.
2 2/3-2 2/9 2-1 1/2. -2/9-(-1 5/6). 9-3 1/7*(1 3/7+2 1/2) : 2 1/7. 7/4:3/2-2/3.

See also