
(0.75×42.7-0.573+57.3)÷3×64
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解:(0.75×42.7-0.573+57.3)÷3×64
=(0.75×42.7-0.573+57.3)÷3×64
=64×(0.75×42.7-0.573+57.3)/3
=64×88.752/3
=64×29.584
=1893.376
=(0.75×42.7-0.573+57.3)÷3×64
=64×(0.75×42.7-0.573+57.3)/3
=64×88.752/3
=64×29.584
=1893.376
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