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41 × 9 = 429 移动一根火柴,使式子正确
小学三年级数学题 ,41 × 9 = 429
4是四根火柴,×号是2根火柴,1是2根火柴
人气:103 ℃ 时间:2020-03-24 15:22:32
解答
47*9=423
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