Có thể tìm được 2 số tự nhiên sao cho hiệu của chúng nhân với 18 được 1989 không?

1.b.warm

2.a. empire

3.a.busy

4.a.pour

5.d.vacation

6.b.waterfall

7.a.giant

8.c.various

9.d.middle

10.c.institute

VI.

b.My sister is always talking on the phone.

c.Mrs.Nga is always losing the umbrella.

d.The baby is always crying overnight.

e.This boy is always playing computer.

f.Nga and Loan are always coming to the class late.

g.You are always making the trouble.

h.He is always laughing in the class.

i. They are always arguing loudly.

j.This man is always drinking wine.

cậu xem đội bóng tia chớp à

\(\frac{6}{25}:\frac{21}{20}=\frac{6}{25}.\frac{20}{21}=\frac{6.20}{25.21}=\frac{2.3.4.5}{5.5.3.7}=\frac{8}{35}\)

\(\frac{40}{7}.\frac{14}{5}=\frac{40.14}{7.5}=\frac{8.5.2.7}{7.5}=\frac{16}{1}=16\)

\(\frac{17}{13}:\frac{51}{26}=\frac{17}{13}.\frac{26}{51}=\frac{17.26}{13.51}=\frac{17.2.13}{13.3.17}=\frac{2}{3}\)

Các dấu . là các dấu nhân nha

XI.

a.moving

b.turn

c.used

d.lending

e.giving

f.showing

h.take

i.driving

j.sat

XIV:

a. made

b.running

c.bought

d.sitting

e.painted

f.talking

g.living

h.wearing

i.watered

j.broken