(677*874+251) : (678*874-623)=1

Mình không biết đúng hay sai nữa.Thông cảm

\(\frac{677\times874+251}{678\times874-623}\)\(=\frac{677\times874+251}{\left(677+1\right)\times874-623}\)\(=\frac{677\times874+251}{677\times874+1\times874-623}\)\(=\frac{677\times874+251}{677\times874+874-623}=\frac{677\times874+251}{677\times874+251}=1\)

\(\frac{677.874+251}{678.874-623}\)

\(=\frac{677.874+251}{\left(677+1\right).874-623}\)

\(=\frac{677.874+251}{677.874-1.874-623}\)

\(=\frac{677.874+251}{677.874+874-623}\)

\(=\frac{677.874+251}{677.874+251}\)

\(=1\)

Hok tốt

23 x23 x23 x23 x23 x23 = 23⁶ = 148035889

23 x 23 x 23 x 23 x 23 x 23 = 23⁶ nha bạn

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

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

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

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

\(=1\)

\(\frac{677\times874+251}{678\times874-623}\)

\(=\frac{677\times874+251}{\left(677+1\right)\times874-623}\)

\(=\frac{677\times874+251}{677\times874+874-623}\)

\(=\frac{677\times874+251}{677\times874+251}\)

\(=1\)

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c) 637 x 527 - 189=335510  /  526 x 637 + 448=335510

d) 677 x 874 + 251 =591949 /  678 x 874 - 623=591949

học tốt

c, 637x527-189/526x637+448=335918,116

d, 677x874+251/678x874-623=91398,5605

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2 nick là 1 ng ??????

π /36.

Phương trình tiếp tuyến là: 

Ta có: \(x+133324=\left(2349+24\right)\cdot23\)

\(\Leftrightarrow x+133324=54579\)

hay x=-78745

 x + 133324 = (2349 + 24)x23

x  + 133324 = 54579

x                 = 54579 - 133324 

x = -78745