试题 试卷
题型:填空题 题类:常考题 难易度:困难
11~~20各数的认识441(10题)
△+○=12
△-○=6
△=
○=
1,4,7,7{#blank#}1{#/blank#} =24 1,2,7,7{#blank#}2{#/blank#} =24.
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
{#blank#}3{#/blank#}
{#blank#}4{#/blank#}
0.2□0.2□0.2□0.2□0.2=0.8
① :{#blank#}1{#/blank#} =24;
② :{#blank#}2{#/blank#} =24。
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