黒丸大型1桁+1桁(9まで)問題
3 + 3 =●●● ●●● 18 3 + 1 =●●● ●
6 + 2 = 32 2 + 6 =
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2 + 7 =●● ●●●●● 15 7 + 1 =
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おてほん
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算数ドリルなら【算願】
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