x:0,25-x=15,6

x.4-x=15,6

x.(4-1)=15,6

x.3=15,6

   x=15,6:3

   x=5,2

\(\text{X : 0,25 - X = 15,6}\)

\(x:\left(0,25-1\right)=15,6\)

\(x.\left(\frac{-3}{4}\right)=\frac{78}{5}\)

\(x=\frac{78}{5}:\left(\frac{-3}{4}\right)\)

\(x=-20,8\)

chúc bạn học tốt

\(x\div0,25-x=15,6\)

\(\Leftrightarrow\)\(x\div\frac{1}{4}-x=15,6\)

\(\Leftrightarrow\)\(x\times4-x=15,6\)

\(\Leftrightarrow\)\(x\times\left(4-1\right)=15,6\)

\(\Leftrightarrow\)\(x\times3=15,6\)

\(\Leftrightarrow\)\(x=15,6\div3\)

\(\Leftrightarrow\)\(x=5,2\)

x:0,25-x=15,6

x.4-x=15,6

x.(4-1)=15,6

x.3=15,6

   x=15,6:3

   x=5,2

\(x:0,25-x=15,6\)

\(\Leftrightarrow4x-x=15,6\)

\(\Leftrightarrow x\left(4-1\right)=15,6\)

\(\Leftrightarrow3x=15,6\)

\(\Leftrightarrow x=5,2\)

Trả lời:

\(x:0,25-x=15,6\)

\(\Leftrightarrow4x-x=15,6\)

\(\Leftrightarrow3x=15,6\)

\(\Leftrightarrow x=5,2\)

Vậy\(x=5,2\)

Hok tốt!

Good girl

\(x\div0,25-x=15,6\)

\(\Rightarrow\)\(x\div\frac{1}{4}-x=15,6\)

\(\Rightarrow\)\(x\times4-x=15,6\)

\(\Rightarrow\)\(x\times\left(4-1\right)=15,6\)

\(\Rightarrow\)\(x\times3=15,6\)

\(\Rightarrow\)\(x=15,6\div3\)

\(\Rightarrow\)\(x=5,2\)

= (4x0,25)x15,6

= 1x15,6

=15,6

4 x 15,6 x 0,25

\(=\left(4\times0,25\right)\times15,6=1\times15,6=15,6\)

x = 0,25 - 15,6

x = -15,35

X : 0,25 - X = 15,6

X x 4 - X = 15,6

X x (4 - 1) = 15,6

X x 3 = 15,6

X = 15,6 : 3 = 5,2

x:0,25-x=15,6

\(\dfrac{x}{4}\)-x=15,6

x*(\(\dfrac{1}{4}\)-1)=15,6(vô lí vì \(\dfrac{1}{4}\)-1<0)

cảm ơn mn nhaaaa. với tớ câu hỏi này nó hack não

a) \(210:x=2,1:0,25=8,4\)

\(x=210:8,4=25\)

b) \(x.2+x.0,5=6,25\)

\(2,5x=6,25\)

\(x=6,25:2,5=2,5\)

c) \(x:0,25-x=15,6\)

\(3x=15,6\)

\(x=5,2\)

d) \(x:12,5=3,75.4=15\)

\(x=15.12,5=187,5\)

e) \(x.12,6-x.5,6=42\)

\(7x=42\)

\(x=6\)

g) \(x:0,1-x:4-x.0,75=2,25\)

\(10x-\dfrac{x}{4}-\dfrac{3x}{4}=2,25\)

\(9x=2,25\)

\(x=0,25\)

giúp mình gấp mn

wth khó thế

Mk cần lời giải nhé !

a)x÷0,25-x=15,6

X×4-x×1=15,6

X×(4-1)=15,6

X=15,6÷3

X=5,2

B)x÷0,1-x÷4-x×3/4=2,25

X×10-x×1/4-x×3/4=2,25

X×(10-1/4-3/4)=2,25

X=2,25÷9

X=1/4

Ban co the chep nhanh len chu minh khong co vip toan nen chi dung duoc mot ngay