合聚咖

合聚咖

2.6化成最简分数

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5:2

(1)

:2.6,

=6.5:2.6,

=(6.5×10):(2.6×10),

=65:26,

=(65÷13):(26÷13),

=5:2,

(2)

:2.6,

=

÷

=

×

=

故答案为:5:2;