speed-grid/addition-4x4/medium · 세트 3
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [2, 9, 5, 6] × Col: [7, 4, 1, 3]
=
2
4×4 addition speed grid. Row: [4, 5, 10, 1] × Col: [5, 8, 2, 7]
=