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20
3.
24
Упростите выражение (N 225—240):
225. 2 /Б – 45 + 3.
8. 6
226. 2 2 – 18 + 3.
227. 5+ /10 - 20.
„20
15
236. 5. /12
237. Jб. /10
(14
238. в. 21
оро
228. /s - з 2 + 6.
229. 2/2 . 5 /з. 6.
230. 3/2 - 5 - 4 /10.
231. 8 : 5 : /10.
232. 3 . 8 . 6.
233. 8. 6 - 3 – 7."..
234. 27 - 6 - 2 – 8.
239. 3 - 18
6 -
*, 2ло 50 - 6
одо.
12
Решите уравнение (38
385. 10x° + 5х = 0.
386. 12x° + 3x = 0.
387. 25 – 100х* = 0.
388. 4 – 36х2 = 0.
389. 2х2 - 14 = 0.
390. 3x° — 6 = 0.
391. 2х2 – 8 = 0.
392. 3х2 – 75 = 0.
393. 4х2 – 12 = 0.
394. 3х2 - 15 = 0.
Решите уравнение (№ 40
05. 2х2+ 3х – 5 = 0.
06. 5х2 – 7х + 2 = 0.
07. 3х2 + 5х – 2 = 0.
08. 2х2 - 7х +
09. 3х2 + 2x – 5 = 0.
10. 5х2 – 3х – 2 = 0.
1. 6x+x-1 = 0.
2. 2х2 - 5х + 3 = 0.
3. х2 - 5x -1 = 0.
4. х2 + 3x +1 = 0.
5. 3х2 + 7x - 6 = 0.
3. 2х2 – 9x + 4 = 0.
Найдите значение выражения (№ 241-248):
or con
241. (а. Б.
242. -
243. (ав".
(2/3) 4
245. (а.
246. (.
247. /36 . 2 . 52
248. 28. 52. 34
244.

alekseu2005

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