27.1×0.65+2.5×2.71+2.71怎么简算
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27.1×0.65+2.5×2.71+2.71怎么简算27.1×0.65+2.5×2.71+2.71怎么简算27.1×0.65+2.5×2.71+2.71怎么简算27.1×0.65+2.5×2.71+
27.1×0.65+2.5×2.71+2.71怎么简算
27.1×0.65+2.5×2.71+2.71怎么简算
27.1×0.65+2.5×2.71+2.71怎么简算
27.1×0.65+2.5×2.71+2.71
=2.71×6.5+2.5×2.71+2.71×1
=2.71×(6.5+2.5+1)
=2.71×10
=27.1
27.1×0.65+2.5×2.71+2.71
=2.71×6.5+2.5×2.71+2.71
=2.71×(6.5+2.5+1)
=2.71×10
=27.1
27.1×0.65+2.5×2.71+2.71怎么简算
简便方法:2.71×6.5+0.21×27.1+2.71
2.71×7.4+27.1×3.6-2.71 巧算,
2.71×7.4+27.1×3.6-2.71要用递等式计算,一定要简便!
27.1乘10.1减2.71怎么简算
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化简下列各数要过程:-(-17) -(+0.33)+【+(-5/4)】 -【-(-2.71)】【1】-(-17) 【2】-(+0.33)【3】 +【+(-5/4)】 【4】-【-(-2.71)】
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