直接写得数：8.6+2.4= 0.35÷0.7= 0.5×0.2= 1.25×8= 0.36×100=1﹣0.09﹣0.9= 2.8+3.2= 0÷8×0.25= 12.3﹣2.3=
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直接写得数．÷3= 10÷=÷=×=÷=×= 4×= 1﹣=×60=×=×=××=÷5= 30÷=÷=×÷=
直接写出得数． 16×=×=×=÷=÷= 9÷=××=
直接写得数×5=÷= 10×=÷=×÷×= 99×+= 3﹣﹣= 1÷4×= （）÷6=÷÷1=
直接写出得数．×40== 25×==== 1﹣50%=÷==×=
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÷3= 10÷
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÷
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×
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÷
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×
= 4×
= 1﹣
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×60=
×
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×
×
×
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÷5= 30÷
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×
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×
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×
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= 9÷
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×
×
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×5=
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= 10×
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+
= 3﹣
﹣
= 1÷4×
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÷1=
×40=
= 25×
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= 1﹣50%=
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×
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