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题型:填空题 题类:常考题 难易度:普通
异分母分数加、减法(不含带分数) 6915
龙龙看一本书,没看的部分占这本书的几分之几?
1- {#blank#}1{#/blank#} - + {#blank#}2{#/blank#} + + {#blank#}3{#/blank#}1
+ = + = - = - =
- = - = + = - =
- = 1- = + = + =
{#blank#}3{#/blank#} {#blank#}4{#/blank#}
{#blank#}5{#/blank#}+ {#blank#}6{#/blank#}= {#blank#}7{#/blank#}
{#blank#}8{#/blank#}- {#blank#}9{#/blank#}= {#blank#}10{#/blank#}
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