Question

Tính nhanh

57 x 76 + 13 x 57 + 11 x 57

Answer 1

57 x 76 + 13 x 57 + 11 x 57

= 57 x ( 76 + 11 + 13 )

= 57 x 100

= 5700

Answer 2

57 x 76 + 13 x 57 + 11 x 57

=  57 ( 76 + 13 + 11 )

= 57 x 100

= 5700

Answer 3

57x76+13x57+11x57

=57x(76+13+11)

=57x100

=5700

Answer 4

57 x 76 + 13 x 57 + 11 x 57

= 57 x ( 76 + 13 + 11 )

= 57 x 100

=   5700

Answer 5

= 57 x ( 76 + 13 + 11 ) =

57 x 100 = 5700

Answer 6

        \(57.76+13.57+11.57\)

 \(=57.\left(76+13+11\right)\)   

 \(=57.100=5700\)

Chúc bạn học tốt!