
0.354×2.9-0.29×2.54怎么简算
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0.354×2.9-0.29×2.54怎么简算
0.354×2.9-0.29×2.54
=0.354×2.9-2.9×0.254
=2.9×(0.354-0.254)
=2.9×0.1
=0.29
0.354×2.9-0.29×2.54
=0.354×2.9-2.9×0.254
=2.9×(0.354-0.254)
=2.9×0.1
=0.29
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