math-crossword/addition-3x3/medium · 套题 7
8 problems
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1
8 × 6 __
=
2
__ × 3 18
=
3
1 × __ 7
=
4
__ - 16 18
=
5
__ × 2 16
=
6
15 - 7 __
=
7
8 + 13 __
=
8
26 - __ 15
=