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题型:填空题 题类:常考题 难易度:普通
分数的加法和减法(复习)7428 10
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=( )
- = 8÷0.4= - =
+ = - = 7-6.38=
+ = + = 0.22×0.5=
1.8{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}
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