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题型:填空题 题类:常考题 难易度:普通
冀教版数学三年级上册 1.3估算 同步练习
3687+12341968+2034 8723-31237030-1038
193+28169236-5084 8008-12803246-2098
405+396≈{#blank#}1{#/blank#}
798+95≈{#blank#}2{#/blank#}
584÷8{#blank#}1{#/blank#}70 50×60{#blank#}2{#/blank#}300×10
623÷7{#blank#}3{#/blank#}90 72×43{#blank#}4{#/blank#}58×65
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