-1 1/2 = -3/2. (-3)*(-3)*(-3)/(2*2*2) = -27/8
2 2/3 = 8/3. 8*8/(3*3) = 64/9
-1 1/7 = -8/7. (-8)*(-8)/ (7*7) = 64/49
(-27) * 64 * 49 / (8 * 9 * 64) = 3*49/8 = 147/8 = 18,375
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-1 1/2 = -3/2. (-3)*(-3)*(-3)/(2*2*2) = -27/8
2 2/3 = 8/3. 8*8/(3*3) = 64/9
-1 1/7 = -8/7. (-8)*(-8)/ (7*7) = 64/49
(-27) * 64 * 49 / (8 * 9 * 64) = 3*49/8 = 147/8 = 18,375