试题 试卷
题型:单选题 题类:常考题 难易度:普通
(两个知识点)3237 10
5.21-3.79=( )
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+27= 4- = 2.5×0.4= 1-0.05=
÷ = 5.8÷0.1= ×2.4= 3× ÷ ×3=
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