F/T/T/F/T/T

1. There are 4 people in Minh's family

2. He lives in a house near the Huong River

V

1. Which grade are you in?

2. There are 285 students in my school

3. She has long curly hair

Was that vase broken by someone?

a, = x.(3x³ - x² + 5)

b, = 2x.(x - y) + 3y.(x - y) = (x - y).(2x + 3y)

c, = x² - 3x - 4x + 12 = (x² - 3x) - (4x - 12) = x.(x - 3) - 4.(x - 3) = (x - 3).(x - 4)

a, Cl₂

\(PTK_{Cl_2}=35,5.2=71\)

b, H₂CO₃

_{\(PTK_{H_2CO_3}=1.2+12+16.3=62\)}

My mother goes home late in the evening

→CTHH: NO₃

51/B

52/D

53/B

54/B

55/A

56/C

57/B

58/C

59/C

60/C

was entering

was watching

was working

was jogging/saw