speed-grid/addition-4x4/medium · Sarja 8
2 problems
Nimi:
Luokka:
Päivämäärä:
1
4×4 addition speed grid. Row: [4, 7, 3, 9] × Col: [9, 7, 1, 3]
=
2
4×4 addition speed grid. Row: [8, 7, 2, 3] × Col: [1, 2, 8, 9]
=