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