speed-grid/addition-5x5/medium · 套题 6
2 problems
姓名:
班级:
日期:
1
4×4 addition speed grid. Row: [10, 7, 5, 3] × Col: [9, 6, 7, 1]
=
2
4×4 addition speed grid. Row: [5, 7, 10, 6] × Col: [2, 5, 6, 7]
=