speed-grid/addition-5x5/hard · 세트 9
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [5, 9, 10, 3] × Col: [5, 9, 2, 10]
=
2
4×4 addition speed grid. Row: [3, 1, 6, 9] × Col: [7, 6, 9, 5]
=