Vi -1 - 1 = -2
nên kết quả ko thể là -1
cau 2 la 15,6 cm
x = 10 k mk , mk k lại .
Ai giúp mk với :
1.Suggestions
2.Modal verbs
1.Lan/walk/to/school
2.when/it/hot/we/often/go/swimming
3.They/play/soccer/every/afternoon
4.When/it/cold/he/go/fishing
5.Lan is late for school.(never)
6.She plays badminton every morning.(usually)
7.I go home late.(often)
8.Lan goes to school in the afternoon.(usually)
giúp mk với ,mai cô kiểm tra rùi