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How about 3 / 4 × [- 9] + 3 / 4 × [- 15]
3 / 4 × [- 9] + 3 / 4 × [- 15] = - 3 / 4x (9 + 15) = - 3 / 4x24 = - 18
(3 15 / 37) + (- 9.5) + (- 12 10 / 37)] + (- 5 / 37) + (+ 10 1 / 2) calculation,
=126/37-19/2-454/37-5/37+21/2
=-296/37
=-8
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