HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
😆
choose the word which has the underlined part pronounced differently from that of the others
1 A design B swim C behind
2 A weather B feather C author
3 A provided B started C worker
4 A match B square C badminton
5 A house B coast C postcard
1-2+3-4...+99-100
tính nhanh
a)x=9/20−(−13/24)=>x=9/20+13/24=119/120a)x=9/20−(−13/24)=>x=9/20+13/24=119/120
b)x=−2/5−13/15=−19/15b)x=−2/5−13/15=−19/15
c)−x=−1/8+1/12=−1/24=>x=1/24c)−x=−1/8+1/12=−1/24=>x=1/24
d)−4/9−x=5/36=>x=−4/9−5/36=−7/12d)−4/9−x=5/36=>x=−4/9−5/36=−7/12
công thứ tíh vận tốc lmf sao