speed-grid/division-5x5/medium · Sett 10
2 problems
Navn:
Klasse:
Dato:
1
4×4 addition speed grid. Row: [6, 7, 1, 3] × Col: [1, 6, 7, 10]
=
2
4×4 addition speed grid. Row: [5, 4, 10, 7] × Col: [3, 6, 1, 10]
=