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题型:填空题 题类:常考题 难易度:容易
异分母分数加、减法(不含带分数) 6938
=
{#blank#}1{#/blank#}+{#blank#}2{#/blank#}= {#blank#}3{#/blank#}+{#blank#}4{#/blank#}=
- = 8÷0.4= - =
+ = - = 7-6.38=
+ = + = 0.22×0.5=
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