Question

tính nhanh

35x49+51x36

Answer 1

\(=35\times\left(49+51\right)=3500\)

Answer 2

=35 x 49 + 51 x (35 + 1)

= 35 x 49 + 51 x 35 + 51 x 1

= 35 x 49 + 51 x 35 + 51

= 35 x ( 49+51) + 51

= 35 x 100 + 51

= 3500 + 51

= 3551

Answer 3

35x49+51x36

=35x(36+13)+51x(35+1)

=35x36+35x13+51x35+51x1

=35x(36+13+51)+51

=35x100+51

=3500+51

=3551.

 

Answer 4

35 x 49 + 51 x 36 = 

= 35 x 36 + 49 x 51 

= 1260 + 2499 

=       3759

 

Answer 5

=35 x 49 + 51 x (35 + 1)

= 35 x 49 + 51 x 35 + 51

= 35 x ( 49+51) + 51

= 35 x 100 + 51

= 3500 + 51=3551

Answer 6

  35x 49 + 51 x 36 

= 1715  + 51 x 36

= 1715 + 1836

 = 3551

Answer 7

3551 <HT>

Answer 8

(35x49 ) + (51x36)

=1715+1836

=3551