黒丸大型1桁+1桁(制限なし)問題
7 + 2 = 4 + 7 =
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3 + 1 =
●●● ● ●●●●●9 + 9 =
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3 + 6 =
●●● ●●●●●7 + 8 =
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おてほん
1 2 3 4 5 6 7 8 9 10
算数ドリルなら【算願】
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