a 48,24: x =12=
x: 15-34,87=
b x x3 x 5=2,7 x =
76,22-x x3 = 30,61x2
trả lời giúp mình
2. Tìm y
a) y : 15 - 34,87 = 52,21 + 6
b) 76,22 - y x 3 = 30,61 x 2
a) y : 15 - 34,87= 52,21 + 6 b) 76,22 = y x 3 = 30,61 x 2
a) y / 15 - 34,87 = 52,21 + 6
y / 15 - 34,87 = 58,21
y / 15 = 58,21 + 34,87
y / 15 = 93,08
y = 93,08 * 15 = 1396,2
b) 76,22 = y * 3 = 30,61 * 2
76,22 = y * 3 = 61,22
=> 76,22 = 61,22 ( ?! )
Sai đề
a) y : 15 - 34,87= 52,21 + 6 b) 76,22 = y x 3 = 30,61 x 2
a) y : 15 - 34,87 = 52,21 + 6 ( tui biet moi cau a thoi)
y : 15 - 34,87 = 58,21
y : 15 = 58,21 - 34,87
y : 15 = 23.34
y = 351
Trl
-Bạn nguyễn minh thu làm đúng rồi nhé ~!
Hok tốt
nhé bạn
a, x +5,28 =9,19
b,x +37,66 = 80,34
c,x - 34,87 = 58,21
d, 76,22 - x=38,08
a, x +5,28 =9,19
x =9,19-5,28
x = 3,91
b,x +37,66 = 80,34
x =80,34-37,66
x =42,68
c,x - 34,87 = 58,21
x =58,21+34,87
x =122,08
d, 76,22 - x=38,08
x =76,22-38,08
x =38,14
k dùm nha mọi người
a x+5,28=9,19 x=9,19-5,28 x=3,91
b x+37,66=80,34 x=80,34-37,66 x=42,68
c x-34,87=58,21 x=58,21+34,87 x=93,08
d 76,22-x=38,08 x=76,22-38,08 x=38,14
y : 15 - 34,87 = 52,21 + 6 76,22 - y x 3 = 30,61 x 2
mn giải giúp mik nhé thanks bạn rất nhùi
y : 15 - 34,87 = 52,21 + 6 76,22 - y x 3 = 30,61 x 2
y : 15 - 34,87 = 58,21 76,22 - y x 3 = 61,22
y : 15 = 58,21 + 34,87 y x 3 = 76,22 - 61,22
y : 15 = 93,08 y x 3 = 15
y = 93,08 x 15 y = 15 : 3
y = 1396,2 y = 5
a y bằng 1396,2
b y bằng 5
mình không nêu rõ cách làm thông cảm
tìm x :
x + 5,28 = 9,19
x - 34,87 = 58,21
x + 37,66 = 80,94
76,22 - x = 38,08
a) x + 5,28 = 9,19 b) x - 34,87 = 58,21 c) x + 37,66 = 80,94
x = 9,19 - 5,28 x = 58,21 + 34,87 x = 80,94 - 37,66
x = 3.91 x = 89.08 x = 43,28
a, x+5,28=9,19 c, x+37,66=80,84
x=3,91 x=43,18
b, x-34,87=58,21 d, 76,22-x=38,08
x=93,08 x=38,14
a) 5,22=9,08
b) x-14,66=3,34
c) 8,42 : x = 2.16
d) (x-5,6)-3,2=4,5
Tìm X :
a) X : 15 - 34,87 = 52,21 + 6 b) 76,22 - X x 3 = 30,61 x 2
b) 76,22 - X x 3 = 30,61 x 2
76,22 - X x 3= 61.22
X x 3= 76,22 -61.22=15
x=5
a) X : 15 - 34,87 = 52,21 + 6
X : 15 - 34,87 = 58.21
x:15=58,21+34.87=93.08
x= 93.08:15~6.3
x:15-34,87=52,21+6 76,22-x.3=30,61.2
(=) x:15=52,21+6+34,87 (=) 76,22-x.3=61,22
(=) x:15=93,08 (=) x.3=76,22-61,22
(=) x=1369,2 (=) x.3=15
(=) x=15:3
(=)x=5
-3 x 1 x 6 x 2 x 5 x 12 x 13 x16 x 16 - 15 x 20
-1 x 2 x3 x 4 x3 x-3 x6 - 4 x 8 - 5 x 100
a) (x – 2)(x2 + 2x + 4) – x( x2 +2) = 12 b) (x – 3)2 – (x+2)(x–2) = 16
c) x3 – 9x = 0 d) x3 – 6x2 + 9x – 54 = 0
giúp e vs ạ
\(a,\Leftrightarrow x^3-8-x^3-2x=12\Leftrightarrow-2x=20\Leftrightarrow x=-10\\ b,\Leftrightarrow x^2-6x+9-x^2+4=16\Leftrightarrow=-6x=3\Leftrightarrow x=-\dfrac{1}{2}\\ c,\Leftrightarrow x\left(x^2-9\right)=0\\ \Leftrightarrow x\left(x-3\right)\left(x+3\right)=0\Leftrightarrow\left[{}\begin{matrix}x=0\\x=3\\x=-3\end{matrix}\right.\\ d,\Leftrightarrow x^2\left(x-6\right)+9\left(x-6\right)=0\\ \Leftrightarrow\left(x^2+9\right)\left(x-6\right)=0\\ \Leftrightarrow x=6\left(x^2+9>0\right)\)