Question

tính nhanh: 64 x 52 + 37 x 52 - 2 x 26

Answer 1

64 X 52 + 37 X 52 - 2 X 26

= 64 X 52 + 37 X 52 - 52

= 52 X ( 64 + 37 - 1)

= 52 X 100

= 5200

Answer 2

 64 x 52 + 37 x 52 - 2 x 26

=64 x 52 + 37 x 52 - 52 x 1

=52 x ( 64 + 37 -1 )

=52 x 100

=5200

tk nhé

Answer 3

64 x 52 + 37 x 52 - 2 x 26

= 64 x 52 + 37 x 52 - 52

= ( 64 + 37 - 1 ) x 52

= 5200

Answer 4

64 x 52 + 37 x 52 - 2 x 26

= 64 x 52 + 37 x 52 - 52

= 52 x ( 64 + 37 - 1 )

= 52 x 100

= 5200

Answer 5

64 x 52 + 37 x 52 - 2 x 26

= 64 x 52 + 37 x 52 - 2 x 26

=( 64 + 37 - 1 ) x 52

= 5200

Answer 6

64* 52+ 37* 52- 2* 26=( 64+ 37)* 52- 52* 1=( 64+ 37- 1)* 52= 100* 52= 5200.

Answer 7

64 x52+37x52-2x26=64 x 52+37 x 52-52

=52 x(64+37-1)

=52 x 100

=5200