speed-grid/division-5x5/medium · 세트 5
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [9, 2, 7, 5] × Col: [4, 8, 6, 7]
=
2
4×4 addition speed grid. Row: [6, 1, 5, 4] × Col: [7, 2, 6, 4]
=