小明家有三种塑料油桶，分别能装5千克，10千克和2千克油．小明的妈妈买回75千克豆油，选哪种塑料油桶能正好把豆油装完？需要多少个这样的桶？
直接写出得数：÷=÷3=××=÷2= 6×=×9×= 5÷﹣÷5= 2.7﹣= （1.6+3.2）×0.125=
直接写得数： 12÷=×30=÷= 16×=÷=÷4=÷×1=÷×=÷3=÷6=÷3=÷．
直接写数：==========
直接写得数．×3= 6÷=÷1= 1÷÷=÷= 0.5÷=﹣= 0÷×=
直接写数： 7×=÷6=÷= 1.6÷0.7= 1÷3×=÷=÷=×0.15=÷=×÷×=
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÷3=
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×
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÷2=
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×9×
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×30=
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= 16×
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÷4=
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×1=
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÷3=
÷6=
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×3= 6÷
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÷1=
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= 0.5÷
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﹣
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÷6=
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= 1.6÷0.7= 1÷3×
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×
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