1) Giải các pt:

\(1-\frac{x+3}{4}-\frac{x-2}{6}=0\)

2) Giải các pt tích:

a) (x +4)(x - 1)= 0

b) (3x - 2)(4x - 7)= 0

c) (x + 5)(x\(^2\)+1)=0

d) x(x - 1)(x\(^2\) + 4)= 0

e) (3x + 2) (x + \(\frac{1}{2}\))= 0

f) (x + 2) (x - 3) (x\(^2\) + 7)= 0

1) Giải các pt sau:

a) \(\frac{x-3}{5}=6-\frac{1-2x}{3}\)

b) \(\frac{3x-2}{6}-5=\frac{3-2\left(x+7\right)}{4}\)

c) \(\frac{x+8}{6}-\frac{2x-5}{5}=\frac{x-1}{3}-x+7\)

d) \(\frac{7x}{8}-5\left(x-9\right)=\frac{2x+1,5}{6}\)

e) \(\frac{5\left(x-1\right)+2}{6}-\frac{7x-1}{4}=\frac{2\left(2x+1\right)}{7}-5\)

f) \(\frac{x+1}{3}+\frac{3\left(2x+1\right)}{4}=\frac{2x+3\left(x+1\right)}{6}+\frac{7+12x}{12}\)

1) Giải các pt:

a) 3(x - 1) - 2(x + 3)= -15

b) 3(x - 1) + 2= 3x - 1

c) 7(2 - 5x) - 5= 4(4 -6x)

2) Giải các pt phân thức: ( Tìm mẫu chung )

a) \(\frac{x}{30}+\frac{5x-1}{10}=\frac{x-8}{15}-\frac{2x+3}{6}\)

b) \(\frac{x+4}{5}-x+4=\frac{x}{3}-\frac{x-2}{2}\)

1) Giải pt bậc nhất 1 ẩn:

a) 1,2 - (x - 0,8)= -2(0,9+x)

b) 2,3x - 2( 0,7+2x)= 3,6 -1,7x

c) 5 - (x - 6)= 4(3 - 2x)

d) 3,6 - 0,5(2x+1)= x - 0,25(2 - 4x)

e) (x - 3) (x + 4) - 2(3x - 2)= (x - 4)\(^2\)

f

\(I\), Supply the correct tenses or verb forms:

1) The man (sit) __________ next to me was nervous.

2) The old lamp ( make)____________ in China is 5 dollars.

3) Would you mind (raise) ____________ your hand?

4) Would you mind if I (sit) ____________ here?

5) The boy ( drive ) ____________ a car is my friend.

6) The doll ( make ) _____________ in China is expensive.

7) English ( speak ) _____________ all over the world.

8) Would you mind if I (smoke) ______________ ?

9) We ( not see) ____________ each other for a long time.

10)The woman (carry) ____________ a handbag is Miss Lien.

1525x1525x1525x1525=5408531640625

ko đếm được số ji

x= 200+10-100

x=110