HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
46/3x1=..........
a)2/9:2/3x1/2. b)2+1/4x4/3
c)3x1/2x1/4
540:3x1=?
1/2+4/3x1/6
7/3x1/2+1/7
5/3-1/3x1/4
1/2-1/3x1/4
Tinh
8/9-1/3x1/2=
4/3x1/7+4/7x1/11+4/11x1/15+4/15x1/19=?
(1/1x1/2) + (1/2x1/3) + (1/3x1/4) + (1/4x1/5) +....+ (1/72x1/73) =
