HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
a) (1/4 + 1/12 - 1/3) : 298/719 - 2021/2022
b) -5/4 : (1/4 - 7/8) + 3/2 . ( 1/3 - 5/6)
c)13/15 . 1/4 . 3 + (8/15 - 79/60) : 47/24
a) (-2/3 + 5/4 - 1/6) . -24/10
b) -3/4 . (1/8 - 3/2) - 5/4 : (1/2 - 5/4) -1/3
c)5/4 : 15/-8 - (8/3 - 7/2 ) . ( 6/5 : 1/25)
a) x/4 + -3/7 + 2/5 = 31/140
b) 5/12 + 5/x + -1/8 = 1/2
c) x + 1/9 = 3/6 + 3/5
d) 5-x/12 + 5/12 + -1/8 = 3/8
a) -13/24 + x = 9/20
b) x + 13/15 = -2/5
c)-x - 1/12 = -1/8
d) -4/9 - x = -5/12 - -5/9
a) A = 1/3 + -13/21 + 5/7 + 1/6 + 1/14 + -1/2
b) B = 25/31 + -3/17 + 6/31 + 5/9 + -14/17 + -1/12
c)C = -5/46 + -7/25 + 35/19 + 5/46 + -16/19 + 7/25
d) D= -2/11 + -1/6 + 52/264 + 3/22 + 5/24 + -7/8