number-bonds/addition-bonds/easy · 套题 26
8 problems
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班级:
日期:
1
6 5 + __
=
2
4 2 + __
=
3
5 1 + __
=
4
8 __ + 2
=
5
8 6 + __
=
6
3 1 + __
=
7
8 4 + __
=
8
9 __ + 7
=