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题型:填空题 题类:常考题 难易度:困难
11~~20各数的认识461(10题)
写数时有1个十,在十位上写{#blank#}1{#/blank#}.有2个十,在{#blank#}2{#/blank#}位上写2.有6个一,在个位上写{#blank#}3{#/blank#}.有7个一,在{#blank#}4{#/blank#}位上写7.
还有{#blank#}1{#/blank#}只。
{#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} = {#blank#}5{#/blank#} (只)
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}个十和{#blank#}3{#/blank#}个一
10
{#blank#}2{#/blank#}
13
14
{#blank#}3{#/blank#}
{#blank#}4{#/blank#}
17
18
{#blank#}5{#/blank#}
{#blank#}6{#/blank#}
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