number-bonds/to-50/medium · 套题 17
8 problems
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1
Complete the number bond: 10 2 + __
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2
10 __ + 5
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3
Number bond: 6 3 + ?
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4
Complete the number bond: 4 1 + __
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5
Number bond: 8 2 + ?
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6
Number bond: 2 + 1
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7
Number bond: 10 7 + ?
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8
Number bond: 10 8 + ?
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