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题型:填空题 题类:常考题 难易度:普通
整数连加、连减混合1405
列式:(只)
69-18{#blank#}1{#/blank#}68-19 35-24{#blank#}2{#/blank#}53-24 74-56{#blank#}3{#/blank#}82-74
55-39{#blank#}4{#/blank#}93-55 84-27{#blank#}5{#/blank#}71-14 80-42{#blank#}6{#/blank#}90-52
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