问题
解答题
化简比.
|
答案
2.5:0.45,
=(2.5×100):(0.45×100),
=250:45,
=(250÷5):(45÷5),
=50:9;
24:
,8 27
=(24×
):(27 8
×8 27
),27 8
=81:1.
化简比.
|
2.5:0.45,
=(2.5×100):(0.45×100),
=250:45,
=(250÷5):(45÷5),
=50:9;
24:
,8 27
=(24×
):(27 8
×8 27
),27 8
=81:1.