Question

Tính nhanh: 64 * 6 + 81 * 4 + 17 * 6

Answer 1

= 6 * ( 64 + 17 ) + 81 * 4

= 6 * 81 + 81 * 4

= 81 * (6+4) = 81 * 10 = 810

Answer 2

64 x 6 + 81 x 4 + 17 x 6

= 6 x ( 64 + 17) +81 x 4

Answer 3

thế là bạn tự tính được rồi nha

Answer 4

64 x 6 + 81 x 4 + 17 x 6

= 6 x ( 64 + 17 ) + 81 x 4

= 6 x  81 + 81 x 4

= ( 6 + 4) x 81 

= 10 x 81

= 810

Answer 5

64 x 6 + 81 x 4 + 17 x 6

= 64 x 6 + 54 x 6 + 17 x 6

= 6 x { 64 + 54 + 17 } 

= 6 x 135 

= 810

Answer 6

64x6+81x4+17x6

=6x(64+17)+81x4

=6x81+81x4

=81x(6+4)

=81x10

=810

Answer 7

64 x 6 + 81 x 4 + 17 x 6

= 6 x ( 64 + 17 ) + 84 x 4

= 6 x 81 + 81 x 4

= ( 6 + 4 ) x 81

= 10 x 81 

= 810

Answer 8

64x6+81x4+17x6

=6x(64+17)+81x4

=6x81+81x4

=81x(6+4)

=81x10

=810

Answer 9

64 x 6 + 81 x 4 + 17 x 6 

= 6 x ( 64 + 17 ) + 81 x 4

= 6 x 81 + 81 x 4 

= ( 6 + 4 ) x 81

= 10 x 81

= 810

Answer 10

64x6+81x4+17x6

=6x(64+17)+81x4

=6x81+81x4

=81x(6+4)

=81x10

=810