黒丸大型1桁+1桁(10まで)問題
2 + 6 =●● ●●●●● 15 5 + 1 = 31
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1 + 4 =● ●●●● 4 1 + 7 =● ●●●●● 7
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3 + 5 =●●● ●●●●● 22 ●●●●●6 + 1 = 40
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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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