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题型:口算与估算 题类: 难易度:容易
【典中点】六年级数学上第一单元综合素质达标
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( )
÷13= ×6= ÷ = × ×0=
× = ÷ = 12÷ = 30%×200=
= ×20= × = 0.25 =
= = 2﹣ = 8: =
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