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;
.
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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;
.
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