黒丸大型1桁+1桁(10まで)問題
1 + 9 =● ●●●●● 9 3 + 5 = 22
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3 + 4 =●●● ●●●● 21 ●●●●●6 + 1 = 40
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4 + 3 = 27 3 + 1 = 18
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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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