有一批带鱼，共312千克，每千克3元，问这批带鱼能卖多少钱？列出算式并用竖式计算。
直接写得数． 25×=÷6=×16=÷= 1÷=×=
直接写出得数÷= 20×=÷=﹣= 12÷50%= 3﹣﹣= 60×20%=÷26=+= 1﹣3%=
直接写出得数×4= 6﹣=÷= 6÷1%= 1÷=×=×0÷= 10+×=××5×7= 0.99×9+0.99=
直接得数．×21=×= 15÷=÷ 1﹣65%= 1+65%=÷=×=
直接写得数．×=×=×=×2= 5﹣= 12×= 1÷=+×=（6+）×=×39×=
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÷6=
×16=
÷
= 1÷
=
×
=
÷
= 20×
÷
=
﹣
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= 60×20%=
÷26=
+
= 1﹣3%=
×4= 6﹣
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÷
= 6÷1%=
=
×
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×0÷
×
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×
×5×7= 0.99×9+0.99=
×21=
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= 15÷
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×
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×
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= 1÷
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+
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=（6+
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×39×
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