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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#}2{#/blank#}
{#blank#}1{#/blank#}+{#blank#}2{#/blank#}={#blank#}3{#/blank#}={#blank#}4{#/blank#}
= 2- = ×3.5= =
44× = 6÷ = - × = =
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