\(=>y=\dfrac{9}{7}:\dfrac{3}{5}=\dfrac{9}{7}\times\dfrac{5}{3}=\dfrac{45}{21}=\dfrac{15}{7}\)
\(=>y=\dfrac{9}{7}:\dfrac{3}{5}=\dfrac{9}{7}\times\dfrac{5}{3}=\dfrac{45}{21}=\dfrac{15}{7}\)
3/5 x x = 4/7
tìm x
x : 7/11 = 4/7 + 1/7
tìm x
mọi người giúp em nha
tìm y y x 1/7 + y x 9/21 + y x7/3 = 5/3
bài 1: Tính
a} 5/12 + 1/3 x 3/5 =
B 7/5 - 4/9 : 2/5 =
C 2/5 x 1/4 : 2/5 =
bài 2: Tìm y
a 42/25 : y/5 = 5/6
b 27/y : 9/4 = 3/7
y x 18/5 - y x 3/5 =...
4/6 + 7/13 + 17/9 + 19/13 - 8/9 + 14/6
tìm y biết 2/3 x 4/y x 1/5=4/45
3/4 x y/5=5/2 x 9/10
tìm y
a) y : 4/11 x 3/5 = 27/4
b) y + 7/2 - 5/9 = 14/3
Tìm y
a) y x 6/7 = 5/14
b) y : 2/3 = 4/9
c) 3/10 + y = 1/2
d) 5/6 - y = 1/3
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) 19/20 - y = 8/5 - 3/4
b) y : 2/3 = 4/9 x 3