Question

637x527-289

637x526+448

 

 

Answer 1

637x527-289 = 335410

637x526+448 =335510

Chúc bạn học tốt 

Answer 2

637x527-289

=335699-289

=335140

637x256+448

=163072+448

=163520

đúng k nhé

Answer 3

637*527-289=335410

637*526+448=335510

Answer 4

336147

Answer 5

\(\frac{637x527-289}{637x526+448}\)

\(=\frac{637x526+\left(637-289\right)}{637x526+448}\)

\(=\frac{637x526+348}{637x526+448}=\frac{637x526+448-100}{637x526+448}\)

\(=1-\frac{100}{637x526+448}\)

Answer 6

1, 637x526+448

= 335062+448

=335510

2, 637x526+448

=335062+448

=335510

Answer 7

= 335410

= 335510

hok tot

Answer 8

Bài làm

637 x 527 - 289  =  335410

637 x 526  + 448  = 335510

hok tốt