speed-grid/addition-5x5/easy · 세트 3
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [8, 10, 5, 6] × Col: [6, 2, 3, 8]
=
2
4×4 addition speed grid. Row: [4, 8, 7, 2] × Col: [5, 4, 6, 10]
=