Toán tìm y a) 2/7 +y =3/4 b) Y-3/8 =1/6 c) y x 5/9 =5/12 d) y:4/7=7/16 08/09/2021 By Hailey tìm y a) 2/7 +y =3/4 b) Y-3/8 =1/6 c) y x 5/9 =5/12 d) y:4/7=7/16
a) 2/7 +y =3/4 => y = 3/4 -2/7 => y = 13/28 b) Y-3/8 =1/6 => y = 1/6 + 3/8 => y = 26/48 = 13/24 c) y x 5/9 =5/12 => y =5/12 : 5/9 => y = 9/12 = 3/4 d) y:4/7=7/16 => y = 7/16 x 4/7 => y = 1/4 #Chúc bn học tốt!! Trả lời
Bạn tham khảo nha! a, 2/7+y=3/4 b, y-3/8=1/6 y=3/4-2/7 y=1/6+3/8 y=21/28-8/28 y=4/24+9/24 y=13/28 y=13/24 Vậy y=13/28 Vậy y=13/24 c, y x 5/9 =5/12 d, y : 4/7 =7/16 y=5/12 : 5/9 y= 7/16 x 4/7 y= 5/12 x 9/5 y= 1/4 y= 3/4 Vậy y=1/4 Vậy y=3/4 Trả lời
a) 2/7 +y =3/4
=> y = 3/4 -2/7
=> y = 13/28
b) Y-3/8 =1/6
=> y = 1/6 + 3/8
=> y = 26/48 = 13/24
c) y x 5/9 =5/12
=> y =5/12 : 5/9
=> y = 9/12 = 3/4
d) y:4/7=7/16
=> y = 7/16 x 4/7
=> y = 1/4
#Chúc bn học tốt!!
Bạn tham khảo nha!
a, 2/7+y=3/4 b, y-3/8=1/6
y=3/4-2/7 y=1/6+3/8
y=21/28-8/28 y=4/24+9/24
y=13/28 y=13/24
Vậy y=13/28 Vậy y=13/24
c, y x 5/9 =5/12 d, y : 4/7 =7/16
y=5/12 : 5/9 y= 7/16 x 4/7
y= 5/12 x 9/5 y= 1/4
y= 3/4 Vậy y=1/4
Vậy y=3/4