12. Найдите значение выражения если![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAYAAAAQCAYAAAA1Qw7OAAAACXBIWXMAAA9rAAAO/QHVkisuAAABEElEQVR4nGP5DwQMWADL1YPzGCasPslQUNvJ8Gx5L8NBIW8GHx8LBhYJHW8G+yN3GC7cecNgbGTOEKhuyGAsBNQhLCzOYGQow7DvzgWGJyqqDC7i7BCjQISUshLDlVOXGAL8/RF2gIj3rzgY4sLCGGQEWBESCzuKGKQ9ixgcNWVQXRVf0YfNtQwsRUVFKAJ+fn4MDg4ODCx9fTh0YBUFS/z+yHDowEUGFXNDhm83rzD8U9BnUBPlYmB5fv8Rw+OLBxmOX3zAYKgty6CjzgzRIammy+DsdJOhaOVzhizXOAZeFrgdvxiunrzA8PmVAMPXTx8Y2IUEGNggEi8ZXv9QYTBgfsJwZuchBv1IPwZZoAQAtplPAebba28AAAAASUVORK5CYII=) =3 . A) B) C) D) E) -
13.Решите уравнение x+![](data:image/png;base64,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) . a)3 b)4 c)5 d)1 e)2
14.Решитенеравенство (x+3) (x-4)>0 . a)x<-3 b)x>4 c)x<5 d)x<-3,x>4
15.Сколько простых чисел от 1 до 30? a) 11 b) 9 c) 10 d)12 e) 6
16.Какое из данных чисел не делится на 15? a) 6525 b) 3105 c)4620 d)6145 e) 1245
17.(x-5)(x+3)<0 tengsizlikniyeching.
a) x>5 b)x<3, x>5 c) -3
18. 11300 ning 36%i va 8400ning 28%i ningyig’indisishusonlaryig’indisining 40%idan qanchagakam?
19. 800kg meaning tarkibida 80%suv bor. Birnechakundankeyin meaning og’irligi 500kgga tushdi. Endiuningtarkibidanechafoizsuvbor?
20. 1-brigada ishni 24 kunda, 2-brigada esa 16 kundatamomlayoladi. Agar 1-brigadaga 2-brigada 4 kunyordamlashsa, 1-brigada ishninechakundatamomlaydi?
21. f(x)=(1+) (7+4x) funksiyada, f(-)ni toping.
22.Найдитеобластьопределенияфункцииf(x)= .
23. В какой четверти находится вершина параболы y=x2+4x-2 ?
24. Вычислите: ![](data:image/png;base64,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)
25. muayyanmasofanibosibo’tishuchunketadiganvaqtni 25%ga kamaytirishuchuntezlikninechafoizgaorttirishkerak?0>5>
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