Tìm y biết:
a) y – 6 : 2 – ( 48 – 24 x 2 : 6 – 3) = 0
Tìm y biết:
y – 6 : 2 – ( 48 – 24 x 2 : 6 – 3) = 0
Tìm y biết:
y – 6 : 2 – ( 48 – 24 x 2 : 6 – 3) = 0
Tìm y biết:
a. y – 6 : 2 – ( 48 – 24 x 2 : 6 – 3) = 0
b. (7 x 13 + 8 x 13) : ( 9 2 3 – y) = 39
a. Tính đúng y = 40
b. Tính đúng y = 4 2 3
Tìm y biết :
a) y - 6 : 2 - ( 48 - 24 x 2 : 6 - 3 )= 0
b) ( 7x 13 + 8 x13 ) : ( 923 - y) = 39
a) y - 6 : 2 - (48 - 24 x 2 : 6 - 3) = 0
y - 3 - (48 - 48 : 6 - 3) = 0
y - 3 - (48 - 8 - 3) = 0
y - 3 - 37 = 0
y - ( 3+37) = 0
y - 40 =0
y =0+40
Y =40
b) ( 7x13 - 8x13) : ( 9 2/3 -y) =39
(7+8)x13 : (29/3 - y) =39
15 x 13 : (29/3-y) =39
195 : (29/3 - y) =39
29/3 - y =195 : 39
29/3 - y = 5
y = 29/3 - 5
y = 14/3
Tìm y biết :
a) y - 6 : 2 - ( 48 - 24 x 2 : 6 - 3 )= 0
b) ( 7x 13 + 8 x13 ) : ( 9\(\frac{2}{3}\) - y) = 39
Mik hứa sẽ tick và kb nha
\(a)y-6:2-\left(48-24x2:6-3\right)=0\)\(0\)
\(y-3-\left(48-48:6-3\right)=0\)
\(y-3-\left(48-8-3\right)=0\)
\(y-3-\left(40-3\right)=0\)
\(y-3-37=0\)
\(y-\left(3+37\right)=0\)
\(y-40=0\)
\(y=0+40\)
\(y=40\)
\(b)\left(7x13+8x13\right):\left(9\frac{2}{3}-y\right)=39\)
\(\left(91+104\right):\left(\frac{29}{3}-y\right)=39\)
\(195:\left(\frac{29}{3}-y\right)=39\)
\(\frac{29}{3}-y=195:39\)
\(\frac{29}{3}-y=5\)
\(y=\frac{29}{3}-5\)
\(y=\frac{14}{3}\)
Tìm y:
a, y - 6 : 2 - ( 48 - 24 x 2 : 6 - 3 ) = 0
b, ( 7 x 13 + 8 x 13 ) : ( \(9\frac{2}{3}\)- y ) = 39
a) \(y-6:2-\left(48-24.2:6-3\right)=0.\)
\(\Rightarrow y-3-\left(48-8-3\right)=0\)
\(\Rightarrow y-3-37=0\)
\(\Rightarrow y=0+37+3=40\)
Vậy y = 40
b) \(\left(7.13+8.13\right):\left(9\frac{2}{3}-y\right)=39\)
\(\Rightarrow195:\left(\frac{29}{3}-y\right)=39\)
\(\Rightarrow\frac{29}{3}-y=195:39=5\)
\(\Rightarrow y=\frac{29}{3}-5=\frac{14}{3}\)
Vậy y=\(\frac{14}{3}\)
a) y - 6 : 2 - ( 48 - 24 x 2 : 6 - 3 ) = 0
y - 6 : 2 - ( 48 - 48 : 6 - 3 ) = 0
y - 6 : 2 - ( 48 - 8 - 3 ) = 0
y - 6 : 2 - 37 = 0
y - 3 = 0 + 37
y - 3 = 37
y = 37 + 3
y = 40
b) ( 7 x 13 + 8 x 13 ) : ( \(9\frac{2}{3}\) - y ) = 39
( 15 x 13 ) : ( \(9\frac{2}{3}\) - y ) = 39
195 : ( \(9\frac{2}{3}\) - y ) = 39
\(9\frac{2}{3}\) - y = 195 : 39
\(9\frac{2}{3}-y=5\)
\(y=9\frac{2}{3}-5\)
\(y=\frac{14}{3}\)
a, y - 6 : 2 - ( 48 - 24 x 2 : 6 - 3 ) = 0
y - 3 - 37 = 0
y - 3 = 0 + 37
y - 3 = 37
y = 37 + 3
y = 40
b, ( 7 x 13 + 8 x 13 ) : ( \(9\frac{2}{3}\) - y ) = 39
195 : ( \(\frac{29}{3}\)- y ) = 39
\(\frac{29}{3}\)- y = 195 : 39
\(\frac{29}{3}\)- y = 5
y = \(\frac{29}{3}\)- 5
y = \(\frac{14}{3}\)
Tìm x, biết:
a, 390 – (x – 7) = 169:13
b, (x – 140) : 7 = 3 3 - 2 3 . 3
c, x – 6 : 2 – (48 – 24) : 2 :6 – 3 = 0
d, x + 5.2 – (32+16.3:6 – 15) = 0
a, x = 384
b, x = 161
c, x = 8
d, x = 15
Tìm x, biết:
a) 390 - ( x - 7 ) = 169 : 13
b) x - 6 : 2 - ( 48 - 24 ) : 2 : 6 - 3 = 0
c) ( x - 140 ) : 7 = 3 3 - 2 3 . 3
d) x + 5 . 2 - ( 32 + 16 . 3 : 6 - 15 ) = 0
Tìm x, biết:
a, 390- ( x - 7) = 169:13
b, x-6:2-(48-24):2:6-3=0
a)390-(x-7)=169:13
<=>390-(x-7)=13
<=>x-7=390-13
<=>x-7=377
<=>x=377+7
<=>x=384
b)x-6:2-(48-24):2:6-3=0
<=>x-3-24:2:6-3=0
<=>x-6-12:6=0
<=>x-6-2=0
<=>x-8=0
<=>x=8
a) 390 - ( x - 7 ) = 169 : 13
390 - ( x - 7 ) = 13
x - 7 = 390 - 13
x - 7 = 377
x = 377 + 7
x = 384
b) x - 6 : 2 - ( 48 - 24 ) : 2 : 6 - 3 = 0
x - 3 - ( 48 - 24 ) : 2 : 6 = 0 + 3 = 3
x - 3 - ( 48 - 24 ) : 2 = 3 x 6 = 18
x - 3 - ( 48 - 24 ) = 18 x 2
x - 3 - 24 = 36
x - 3 = 36 + 24
x - 3 = 60
x = 60 + 3
x = 63
Jang Ha Na làm sai mà cũng đc ****