Multiply each rational number, given below, by one (1):
7−5\dfrac{7}{-5}−57
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7−5×1=7×1−5×1=7−5\dfrac{7}{-5} \times 1\\[1em] =\dfrac{7 \times 1}{-5 \times 1}\\[1em] =\dfrac{7}{-5}−57×1=−5×17×1=−57
Hence, 7−5×1=7−5\dfrac{7}{-5} \times 1 = \dfrac{7}{-5}−57×1=−57
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Evaluate:
(−5×215)−(−6×29)\Big(-5 \times \dfrac{2}{15}\Big) - \Big(-6 \times \dfrac{2}{9}\Big)(−5×152)−(−6×92)
(85×−32)+(−310×916)\Big(\dfrac{8}{5} \times \dfrac{-3}{2}\Big) + \Big(\dfrac{-3}{10} \times \dfrac{9}{16}\Big)(58×2−3)+(10−3×169)
−3−4\dfrac{-3}{-4}−4−3
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