speed-grid/addition-5x5/medium · Sarja 10
2 problems
Nimi:
Luokka:
Päivämäärä:
1
4×4 addition speed grid. Row: [8, 2, 6, 4] × Col: [9, 5, 3, 6]
=
2
4×4 addition speed grid. Row: [4, 2, 9, 6] × Col: [4, 8, 6, 10]
=