畫一畫,填一填。
(1)△△△△△△△△△△△△。
4+44=8
(2)□□□□□□□□□□□□□□□。
3+66=9
(3)??????????
22+5=7
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44+2=6
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【考點】9減幾的減法.
【答案】△△△△;4;□□□□□□;6;??;2;
;4
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【解答】
【點評】
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發(fā)布:2024/6/27 10:35:59組卷:2引用:2難度:0.9