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