number-bonds/addition-bonds/medium · 套题 26
8 problems
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1
8 5 + __
=
2
Complete the number bond: 7 5 + __
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3
Complete the number bond: 8 __ + 7
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4
7 2 + __
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5
Complete the number bond: 3 1 + __
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6
3 __ + 2
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7
Number bond: 9 1 + ?
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8
Number bond: 10 + 4
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