4 groups of 5, 3 groups of 5, 2+2+2+2, 2X4, 4+4+4, 1 group of 6, 5+5+5, 5 groups of 2, 4+4+4+4,

Repeated addition arrays

Papan Peringkat

Gaya visual

Pilihan

Berganti templat

Pulihkan simpan otomatis: ?