☰ Mundarija · Matematika

Qavslarni ochish, koeffitsiyent va chiziqli tenglamalar

Darslar 39–40 · 2 ta dars · M.A. Mirzaahmedov, A.A. Rahimqoriyev, Sh.N. Ismailov, M.A. To‘xtaxodjayeva. Matematika 6-sinf, 2-nashr. «O‘qituvchi» NMIU, Toshkent, 2017
Javoblar ota-onalar va o‘qituvchilar uchun.
1
12 − (4 + 5) ni hisoblang.
2
2x + 9 = 3 tenglamani yeching.
3
5(x − 2) = 4x + 3 tenglamani yeching.
4
6a − (2a − 5) ni ixchamlang.
5
−x hadning koeffitsiyenti nechaga teng va nima uchun?