tìm y:
a/ 7/11 - y = 5/14 b/ y : 4/7 = 8/9
a) Tính:
3/4 × (5/6 + 7/8)
b) Tìm y:
3/5 x y = 4/7
Câu 8 (1 điểm): Tìm y
3/5+ y =7/8 + 1/4 13/5 - y = 1/4 : 2
tìm y ,biết : \(\dfrac{7}{2}\): y = \(\dfrac{3}{8}\) + \(\dfrac{5}{4}\)
y =
4/7+y=5/8-1/4 Tìm y
1.tìm y.giải ra
a) y + 3/7 x 21/9 = 5
b) y x 3/5 - 1/2 = 4/5
c)9/8 - y + 2/5 = 1/4
d) y - 6/5 : 2/3 = 5/6
e) y : 7/8 + 3/4 = 7/4
giúp mk,mai đi hok thêm mk nộp!!!
Tìm y
a,42/25:y/5=6/5
b,24/y:8/3=3/5
c,y*5/6=3/2
d,4/7*y=15/28
5/12 + 1/3 =
1 - 3/4 =
2 × 3/11 =
8/7 :4 =
Tìm y
2/5 : y = 1/3 y : 7/11 = 22
1.Tìm y, biết: a) y × 2/5 + y × 3/5 = 5/7 b) y × 7/2 - y × 3/2 = 3/4
Tìm Y
1/5 + Y = 7
Y : 3/4 = 5/7
19 + 68 + ( Y - 19 ) = 105