number-bonds/addition-bonds/expert · 套题 60
8 problems
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1
7 __ + 5
=
2
Complete the number bond: 8 __ + 4
=
3
Complete the number bond: 8 __ + 5
=
4
Number bond: 8 7 + ?
=
5
Number bond: 2 + 1
=
6
Number bond: 5 + 4
=
7
Number bond: 5 + 1
=
8
Complete the number bond: 10 7 + __
=