317的25倍是多少？
直接写得数+=﹣=×=×=×÷×=+=×0+3= 3+1.75=÷=（+）×=
直接写得数．+0.625= 24×=÷9= （+）×12= 12×25%=÷=
直接写出得数== 3.14×8== 1﹣40%=== 52=
口算．+=×4=÷=×= 15÷=÷8= 0÷=﹣=
直接写得数．﹣=÷12= 15×= 36÷=+=×12=÷=×=××16= 1÷÷=÷2÷=×9÷×9=
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+
=
﹣
=
×
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×
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×
÷
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=
×0+3= 3
+1.75=
÷
=（
+
）×
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+0.625= 24×
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÷9=
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）×12= 12×25%=
÷
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= 3.14×8=
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= 52=
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×4=
÷
×
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÷8= 0÷
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﹣
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﹣
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÷12= 15×
= 36÷
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×
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×
×16= 1÷
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÷2÷
=
×9÷