(-5/12)(-1又1/15)(-1.5)(-1又1/4)-(-6)(-55)

题目详情

(-5/12)*(-1又1/15)*(-1.5)*(-1又1/4)-(-6)*(-55)

▼优质解答

答案和解析

(-5/12)*(-1又1/15)*(-1.5)*(-1又1/4)-(-6)*(-55)
=5/12×16/15×3/2×5/4-330
=5/6-330
=-329又1/6

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