tìm số tự nhiên x biết

a)2436:x=12

b)6.x-5=613

c)12.(x-1)=0

d)0:x=0

tính hợp lí:

a) 5.11.18+9.31.10+4.29.45

b) 37.39+78.14+13.85+52.55

1 .....................? - She's much better , thank you

A . what;s your mother B . what's your mother like C. how's your mother D. what is your mother getting on 2 . The room of may parents is small . The room of my parents means :

A. my room's parents B. my parent's room C. my parents'room D . my rooms ' parent

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