number-bonds/addition-bonds/expert · 套题 61
8 problems
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1
Complete the number bond: 9 __ + 6
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2
Complete the number bond: 10 __ + 1
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3
Number bond: 3 1 + ?
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4
Complete the number bond: 10 __ + 9
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5
3 __ + 2
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6
Number bond: 2 1 + ?
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7
Number bond: 7 6 + ?
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8
5 __ + 2
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