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GIÁO ÁN PP MỚI THEO CHỦ ĐỀ MÔN TOÁN LỚP 10 TRƯỜNG THPT NHO QUAN B

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HOẠT ĐỘNG VẬN DỤNG.<br />

Bài toán 1. . Giaûi caùc BPT, heä BPT sau: Ñ1.<br />

a) 3x + 1 x − 2 1 − 2x<br />

11<br />

− <br />

a) x R; S = (–; − )<br />

2 3 4<br />

20<br />

b) (2x – 1)(x + 3) – 3x + 1 <br />

b) x R; S = <br />

(x – 1)(x + 3) + x 2 – 5<br />

c) x R; S = (–; 7 5<br />

4 )<br />

6x+ 4x+<br />

7<br />

c) <br />

7<br />

<br />

8x<br />

+ 3<br />

d) x R; S = ( 7<br />

2 x + 5<br />

39 ; 2)<br />

2<br />

<br />

1<br />

15x− 2 2x+<br />

d) <br />

3<br />

<br />

3x<br />

−14<br />

2( x −4)<br />

<br />

<br />

2<br />

HOẠT ĐỘNG TÌM TÒI MỞ RỘNG.<br />

Trang | 7

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