☰ Mundarija · Matematika

Simmetrik shakllar, tarkibli tenglamalar, yakuniy dars

Darslar 115–118 · 4 ta dars · I.V. Repyova. Matematika 3-sinf, 1–4-qismlar. Novda Edutainment, 2023
Javoblar ota-onalar va o‘qituvchilar uchun.
1
6 × x − 8 = 40 tenglamani yeching.
2
(z − 4) × 5 = 35 tenglamani yeching.
3
y + 19 = 8 × 9 − 30 tenglamani yeching.
4
To‘g‘ri to‘rtburchakning uchlari (2; 2), (2; 6), (9; 6), (9; 2). Tomonlari 4 va 7. Perimetrini toping.
5
343 va 565 simmetrik sonlar. Ularning yig‘indisi nechaga teng?