Question

Tính nhanh

55x11+55x9-55x20

Answer 1

55 x 11 + 55 x 9 - 55 x 20 = 55 x ( 11 + 9 - 20 )

                                      = 55 x          0

                                      =          0

tink nhé

Answer 2

55x11+55x9-55x20

=55x(11+9-20)

55x0

0

Answer 3

55*11+55*9=55*(11+9-20)

                 =55*0

                 =0

Answer 4

55x11+55x9-55x20

=55x(11+9-20)

55x0

0

Answer 5

  55×11+55×9-55×20

=55×0

=0