
19/25*22/9+23/25*19/9简便计算怎么算?
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19/25*22/9+23/25*19/9简便计算如下:
19/25×22/9+23/25×19/9
=19/25×22/9+19/25×23/9
=19/25×(22/9+23/9)
=19/25×5
=19/5
19/25×22/9+23/25×19/9
=19/25×22/9+19/25×23/9
=19/25×(22/9+23/9)
=19/25×5
=19/5
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