某作家写一本书的稿酬是3万元，按规定，3000元后的部分要按20%缴纳个人所得税，该作家应缴纳多少元？
+=﹣=×= 14÷=÷=×=÷= 6×=
直接写得数： 1﹣= 9×=÷2=÷== 1=×1.3=×=
直接写出下面各题的得数．÷=== 1.25×0.8=== 1﹣30%= 5.4÷0.3= 9﹣0.56=
直接写出得数．﹣=÷6=÷= 6×=×=﹣=×=÷=
直接写得数： 2.5×104===÷8= 368﹣199= 18÷4+6=×16= 1.2÷10%==﹣+=
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= 14÷
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= 6×
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= 9×
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÷2=
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= 1
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×1.3=
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÷6=
÷
= 6×
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×
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÷
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÷8=
×16= 1.2÷10%=
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