speed-grid/addition-5x5/easy · 세트 7
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [5, 10, 7, 8] × Col: [9, 3, 6, 8]
=
2
4×4 addition speed grid. Row: [1, 6, 8, 9] × Col: [1, 2, 7, 5]
=