(-1/2+1/3)×0.6÷(-1又3/4)×丨-2.5丨

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(-1/2+1/3)×0.6÷(-1又3/4)×丨-2.5丨
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(-1/2+1/3)×0.6÷(-1又3/4)×丨-2.5丨
(-1/2+1/3)×0.6÷(-1又3/4)×丨-2.5丨

(-1/2+1/3)×0.6÷(-1又3/4)×丨-2.5丨
(-1/2+1/3)×0.6÷(-1又3/4)×丨-2.5丨
原式=(-1/6)×3/5×(-4/7)×5/2
=1/7