0,99*x+\(\frac{x}{100}\)=4,75

0,99*x+x:100=4,75

0,99*x+x*\(\frac{1}{100}\)=4,75

0,99*x+x*0,01=4,75

(0,99+0,01)*x=4,75

1*x=4,75

x=4,75:1

x=4,75

X (0,99+1/100)=4,75

X.1=4,75

X=4,75

C

`=` Chọn: `C`

a, \(=16,24\left(12-3+1\right)\)

\(=16,24.10=162,4\)

b, \(=1,25\left(1+2+7\right)\)

\(=1,25.10=12,5\)

c, \(=2,46\left(2+8\right)\)

\(=2,46.10=24,6\)

\(a,=16,24\times12-16,24\times3+16,24\times1\\ =16,24\times\left(12-3+1\right)=16,24\times10=162,4\\ b,=1,25\times\left(1+2+7\right)=1,25\times10=12,5\)

\(x-2,46=9,1:3,5\)

\(x-2,46=2,6\)

               \(x=2,6+2,46\)

               \(x=5,06\)

x - 2,46 = 9,1 : 3,5

x - 2,46 = 2,6

x = 2,6 + 2,46

x = 5,06

k mk nha

Mk cảm ơn bạn nhiều

Thank you very much !

(^_^)

2,5338

2,46+3,45+7,57

= ( 2,46+7,57)+3,45
=10+3,45

=13,45

X*0,01+0,99*X=0,5

X*(0,01+0,99)=0,5

X*1=0,5

X=0,5

x : 100 + 0.99 x x = 0.5

x x 0.01 + 0.99 x x = 0.5

x x ( 0.01 + 0.99 ) = 0.5

x x 1                    = 0.5 x 1

x                         =    0.5          

4,72 dm 19 cm = 66,2 cm

48 hm 2,46 m = 48 024, 6 dm

Tính giá trị biểu thức :

  2,46 x 4,3 + 7,53 x 3,7

= 10,578 + 27,861

= 38,439

cam oncau nha ket ban voi to