Question

2+2=x × x

x =?

Answer 1

2 + 2 = X x X

X x X = 2 + 2

X x X = 4

mà 2 x 2 = 4

=> X= 2

vậy X = 2

Answer 2

\(2+2=x.x\)

\(\Leftrightarrow4=x.x\)

\(\Leftrightarrow4=2x\)

\(\Leftrightarrow4:2=x\)

\(\Leftrightarrow2=x\)

Answer 3

2+2=X x X

=> X=2

Vậy: x=2

Answer 4

2+2=x × x

4=x²

x=\(\sqrt{4}=2\)

Answer 5

2 + 2 = x . x

4 = x²

x = \(\sqrt{4}\) 

x = 2

Answer 6

2+2=2x2

Answer 7

2+2=x × x

x =?

=> 2 + 2 = 4

=> 4 = 2 x 2

vậy X = 2

tink nha đầy đủ nhất đó

Answer 8

2x2 suy ra x=2

Answer 9

sao hủy kết bạn vậy

Answer 10

2 + 2 = X x X

X x X = 2 + 2

X x X =4

 vì 2x2=4

nên x=4

Answer 11

vậy x = 2