20+22, 14+55, 11+35, 99-31, 63-12, 33+16, 72+25, 17+31, 40+54, 37-16.

Ментальна арифметика. Просто 10-99

Ilg'orlar ro'yxati

Vizual uslub

Moslamalar

Namunani almashtirish

Tahrirlashni davom ettirish: ?