1493765

1493765

1493765

\(\dfrac{637\times527-189}{526\times637+448}\)

\(=\dfrac{637\times\left(526+1\right)-189}{526\times637+448}\)

\(=\dfrac{637\times526+637-189}{526\times637+448}\)

\(=\dfrac{637\times526+448}{526\times637+448}\)

\(=\dfrac{1}{1}\)

\(=1\)

\(\dfrac{\left(637\cdot527-189\right)}{\left(526\cdot637+448\right)}\)

\(=\dfrac{\left(637\cdot526+637-189\right)}{\left(526\cdot637+448\right)}\)

\(=\dfrac{637\cdot526+448}{637\cdot526+448}=1\)

x^5-(x+1)x^4+(x+1)x^3-(x+1)x^2+(x+1)x-(x+1)

tự làm tiếp đi

1234567890-12345

2345 x 25 + 2345 x 75 + 2345

= 2345 x (25+75+1)

= 2345 x 101

=236845

\(=2345\times\left(25+75+1\right)\)
\(=2345\times101\)
\(=236845\)

=236845

`2345 x 25 x 2345 x 74 + 2345`

`= 2345 x ( 25 + 74 + 1 )`

`= 2345 x 100 `

`= 234 500`

234500

`2345 x 25 x 2345 x 74 + 2345`

`= 2345 x ( 25 + 74 + 1 )`

`= 2345 x 100 `

`= 234 500`

học tốt

2345 x 25 x 2345 x 74 + 2345

= 2345 x ( 25 + 74 + 1 )

= 2345 x 100 = 234 500

2345 x 25 x 2345 x74 +2345 

=2345  x 25 x2345 x 74 +2345 x 1

= 2345 x ( 25+74 +1 )

=2345 x 100

=234500

`2345 x 25 x 2345 x 74 + 2345`

`= 2345 x ( 25 + 74 + 1 )`

`= 2345 x 100 `

`= 234 500`

nhak lên các bạn ơi giúp mk đi

    526 x 637 + 448               335510

---------------------------- = ------------------------ = 1 

    637 x 527 -189               335510

Hok tốt nhé

# EllyNguyen #

526 x 637 + 448 / 637 x 527 - 189

= 526 x 637 + 448 / 637 x ( 526 + 1 ) - 189

= 526 x 637 + 448 / 637 x 526 + 637 - 189

= 526 x 637 + 448 / 637 + 526 + 448

= 1

k mik nhé