speed-grid/addition-5x5/expert · סט 10
2 problems
שם:
כיתה:
תאריך:
1
4×4 addition speed grid. Row: [1, 9, 4, 5] × Col: [8, 1, 7, 4]
=
2
4×4 addition speed grid. Row: [4, 1, 3, 5] × Col: [4, 5, 8, 6]
=