(-3)x5/6x(-9/5)x(-1/4)计算
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(-3)x5/6x(-9/5)x(-1/4)计算(-3)x5/6x(-9/5)x(-1/4)计算(-3)x5/6x(-9/5)x(-1/4)计算=-5/2X9/5X1/4=-9/2X1/4=-9/8结
(-3)x5/6x(-9/5)x(-1/4)计算
(-3)x5/6x(-9/5)x(-1/4)计算
(-3)x5/6x(-9/5)x(-1/4)计算
=-5/2X9/5X1/4
=-9/2X1/4
=-9/8
结果是-9/8