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题型:单选题 题类:常考题 难易度:普通
分数的加法和减法(复习)7434 10
35×10= 20×50= 900÷3= 0.6+0.9=
0.8-0.7= + = - = + =
﹣ = ﹣ = + = + =
﹣ = + = 2﹣ = + =
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