number-bonds/addition-bonds/hard · 套题 93
8 problems
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1
8 __ + 6
=
2
6 2 + __
=
3
Number bond: 8 6 + ?
=
4
Number bond: 8 7 + ?
=
5
Number bond: 2 1 + ?
=
6
Complete the number bond: 3 __ + 1
=
7
Complete the number bond: 2 __ + 1
=
8
Complete the number bond: 3 __ + 2
=