speed-grid/addition-5x5/easy · 세트 10
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [10, 9, 2, 3] × Col: [2, 1, 9, 8]
=
2
4×4 addition speed grid. Row: [4, 1, 9, 8] × Col: [3, 4, 6, 1]
=