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(-5/12)×8/15×1/2×(-2/3);(-1)×(-5/4)×8/15×3/2×(-2/3)×0×(-1)还有一题:18-6÷(-2)×(-1/3)

题目详情
(-5/12)×8/15×1/2×(-2/3);(-1)×(-5/4)×8/15×3/2×(-2/3)×0×(-1)
还有一题:18-6÷(-2)×(-1/3)
▼优质解答
答案和解析
(-5/12)×8/15×1/2×(-2/3)
=-2/9×(-2/3)
=4/9
(-1)×(-5/4)×8/15×3/2×(-2/3)×0×(-1)=0
18-6÷(-2)×(-1/3)
=18+3×(-1/3)
=18-1
=17
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