number-bonds/to-50/medium · 套题 85
8 problems
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1
4 1 + __
=
2
Complete the number bond: 6 __ + 4
=
3
Number bond: 8 6 + ?
=
4
3 2 + __
=
5
Number bond: 5 + 3
=
6
Number bond: 8 + 1
=
7
7 1 + __
=
8
Number bond: 3 + 1
=