题目内容

______=______%=
()
()
=(九)折
0.35=______%=
()
()

______=______%=
1
2
=______折
______=______%=
21
10
(1)0.9=90%=
9
10
=九折;
(2)0.35=35%=
7
20

(3)0.5=50%=
1
2
=五折;
(4)2.1=210%=
21
10

故答案为:0.9,90,
9
10
,35,
7
20
,0.5,50,五,2.1,210.
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