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题型:综合题 题类:常考题 难易度:困难
人教版二年级上册数学期末提优冲刺卷(一)
28+16
=28+2+14
=30+14
=44
=32++
=40+
=
=62++
=70+
=++
=+
300+600+700+400={#blank#}1{#/blank#}
549+37+263={#blank#}1{#/blank#}+({#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#})
48×19+21×48={#blank#}5{#/blank#} {#blank#}6{#/blank#}({#blank#}7{#/blank#} {#blank#}8{#/blank#} {#blank#}9{#/blank#})
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