speed-grid/multiplication-5x5/hard · 세트 1
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [5, 6, 2, 4] × Col: [8, 10, 5, 1]
=
2
4×4 addition speed grid. Row: [2, 7, 5, 1] × Col: [8, 2, 4, 10]
=