exam-rn-m4 (4)
DESCRIPTION
m4TRANSCRIPT
2 1-24
.4 1 (90 )------------------------------------------------1. (15 )1.1)
1.2)-1.23242424
1.3)1.12122122212222
1.4 1.15 a, b, c x, y, z
1.4)a + bc
1.5)
b ( 0
1.6)x + y
1.7)x + y
1.8)x ( y
1.9)x ( y
1.10)a + x
1.11)a ( x
1.12)a2
1.13)x2
1.14)
a > 0
1.15)
a > 02. (20 )
2.1) x > y x a > y a
2.2) x > y a x > a y
2.3) x > y a ( x > a ( y
2.4)x > y a > 0 >
2.5)x > y a < 0 a ( x > a ( y
2.6)x > y a > 0 >
2.7)x > y x2 > y2
2.8)x > y > 0 x2 > y2 > 0
2.9a < x < b c < y < d a + c < x + y < b + d
2.10)a < x < b c < y < d a - c < x - y < b d
3. a b (20 )
-1 < x < 3 2 < y < 5 3.1 3.5
3.1)a < x + y < b
3.2)a < x y < b
3.3)a < x ( y < b
3.4)a < < b
-1 < x < 3 -8 < y < 2 3.6 3.10
3.6)a < x + 2y < b
3.7)a < x 2y < b
3.8)a < x ( y < b
3.9)a < < b
3.10)a < < b
4. (10 )
4.1)2x 3 ( x + 2
4.2)x 2 ( 0
4.3)x + 3 ( 0
4.4)(x-2) (x+3) ( 0
4.5)
( 0
4.6)
( 0
4.7)
( 0
4.8)x2 ( 0
4.9)x2 > 0
4.10)(x - 1)2 ( 0
5. (10 )
5.1)
( 0
5.2)
( 0
5.3)
( 1
5.4)x2 + 3 ( 0
5.5)
( 0
6. (2 )
7. a, b (3 O-NET)
1. a < b a2 < b2. a < b < 0 ab < a2
3.(a(< (b( a < b4. a2 < b2 a < b8. x ( 5 (3 )
1.x2 ( 252.(x( ( 5
3.x(x( ( 254.(x - (x()2 ( 259.
(3 )
1.
2.
3.
4.
10. -1 ( ( 1 (4 )
1.
2.
3.
4.
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