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(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x0x(-1)= 的计算过程.
(-5/12)x8/15x1/2x(-2/3)
人气:204 ℃ 时间:2020-04-24 08:04:21
解答
(-5/12)x8/15x3/2x(-2/3)x0x(-1)= 0
(-1)x(-5/4)x8/15x3/2x(-2/3)x0x(-1)=0计算过程连续乘法,只要有一个因数是0,结果等于0,不需要过程。(-5/12)x8/15x1/2x(-2/3)(-5/12)x8/15x1/2x(-2/3)

=-2/9x1/2x(-2/3)

=-1/9x(-2/3)

=-2/27
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