Butun, ratsional va irratsional sonlar; modul; standart shakl
Avval o‘zingiz yeching, keyin javobni tekshiring.
1
Hisoblang: −2 · (−3)^2 + 5.
−2·9 + 5 = −13
2
|3x − 6| = 9 tenglamani yeching.
3x − 6 = 9 yoki 3x − 6 = −9: x = 5 yoki x = −1
3
0,00000072 ni standart shaklda yozing.
7,2 · 10^−7
4
(4 · 10^−3) · (5 · 10^6) ni standart shaklda yozing.
20 · 10^3 = 2 · 10^4
5
sqrt(12) · sqrt(3) ifodaning qiymatini toping. Natija ratsionalmi?
sqrt(36) = 6; ha, ratsional