number-bonds/addition-bonds/easy · 套题 4
8 problems
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班级:
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1
___ + 5 10
=
2
1 + ___ 6
=
3
___ + 6 7
=
4
1 + ___ 4
=
5
___ + 3 4
=
6
___ + 9 10
=
7
___ + 5 8
=
8
___ + 5 7
=