7.2/1.25/0.9怎么简便?
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7.2/1.25/0.9怎么简便?
7.2/1.25/0.9怎么简便?
7.2/1.25/0.9怎么简便?
7.2/1.25/0.9
=7.2÷0.9÷1.25
=8÷1.25
=8x8÷(1.25x8)
=64÷10
=6.4
7.2/1.25/0.9怎么简便?
7.2/1.25/0.9怎么简便?
7.2/1.25/0.9怎么简便?
7.2/1.25/0.9
=7.2÷0.9÷1.25
=8÷1.25
=8x8÷(1.25x8)
=64÷10
=6.4