chi tiết
a)1 ,78:1,4 b)(- 5, 28) :0,4 e)45, 28 + 52, 17 – 15, 28 – 12, 17
c)(- 20, 757) / (- 5, 61) d) 60 – 26, 75 – 13, 25 d)20, 6.71 + 20, 6.23 + 6.2, 6
chi tiết
a)1 ,78:1,4 b)(- 5, 28) :0,4 e)45, 28 + 52, 17 – 15, 28 – 12, 17
c)(- 20, 757) / (- 5, 61) d) 60 – 26, 75 – 13, 25 d)20, 6.71 + 20, 6.23 + 6.2, 6
Câu hỏi mới
=89/50:7/5
=33,25-13,25
=1462,6+473,8+15,6