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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) 6932
- = + = 1- = 2+ =
+ = + = - = + =
+ = - = 0+ = + =
={#blank#}1{#/blank#} ={#blank#}2{#/blank#} ={#blank#}3{#/blank#} ={#blank#}4{#/blank#}
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