number-bonds/addition-bonds/easy · 套题 17
8 problems
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1
Number bond: 8 7 + ?
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2
Number bond: 6 + 1
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3
3 2 + __
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4
Number bond: 9 + 8
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5
Complete the number bond: 5 2 + __
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6
Complete the number bond: 3 2 + __
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7
Number bond: 7 4 + ?
=
8
5 __ + 2
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