number-bonds/addition-bonds/expert · 套题 50
8 problems
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1
Complete the number bond: 6 3 + __
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2
Complete the number bond: 9 1 + __
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3
2 __ + 1
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4
Complete the number bond: 8 1 + __
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5
3 __ + 2
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6
Complete the number bond: 3 __ + 2
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7
Number bond: 6 1 + ?
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8
6 4 + __
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