number-bonds/addition-bonds/medium · 套题 60
8 problems
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1
2 1 + __
=
2
3 __ + 1
=
3
Number bond: 3 + 2
=
4
Complete the number bond: 9 __ + 3
=
5
8 1 + __
=
6
Complete the number bond: 6 3 + __
=
7
Complete the number bond: 4 __ + 2
=
8
Complete the number bond: 3 2 + __
=