HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
TK
a: =35/75-18/75=17/75
b: =7/12+3/12-10/12=0
c: =27/60+35/60+44/60=106/60=53/30
d: =100/30+39/30+15/30-14/30=14/3
A
C
B
c
hảo copy :V
3invented
4 has done
5 believes
6 have been given
7 think /represent
8 are you given
9 was seen / putting
D