math-crossword/addition-4x4/hard · 套题 2
8 problems
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班级:
日期:
1
__ - 1 3
=
2
2 + __ 30
=
3
__ + 2 18
=
4
60 ÷ __ 10
=
5
3 × 2 __
=
6
9 ÷ __ 1
=
7
9 × __ 45
=
8
__ - 16 24
=