Question

11+22+33+44+55+66+77+88+99+00=?

             ( 1 k đây ai muốn thì kb nhé )

Answer 1

11 + 22 + 33 + 44 + 55 + 66 + 77 + 88 + 99 + 00

= ( 11 + 99 ) + ( 22 + 88 ) + ( 33 + 77 ) + ( 44 + 66 ) + 55

= 110 + 110 + 110 + 110 + 55

= 110 x 4 + 55

= 440 + 55

= 495

Answer 2

11+99+22+88+44+66+55+00

=100+100+100+55

=355 

is so easy

Answer 3

\(11+22+33+44+55+66+77+88+99+00\)

\(=\left(11+99\right)+\left(22+88\right)+\left(33+77\right)+\left(44+66\right)+\left(55+00\right)\)

\(=100+100+100+100+55\)

\(=400+55\)

\(=455\)

Answer 4

=(11+99)+(22+88)+(33+77)+(44+66)+55

=110+110+110+110+55

=110x4 + 55

=440+55

=495

Answer 5

11+22+33+44+55+66+77+88+99+00

=(11+99)+(22+88)+(33+77)+(44+66)+(55+00)

=110+110+110+110+55

=495

Answer 6

11+22+33+44+55+66+77+88+99+00

=(11+99)+(22+88)+(33+77)+(44+66)+(55+00)

=110     +    110   +   110  + 110     +  55

=110 x 4 + 55

=490

Answer 7

11+22+33+44+55+66+77+88+99+00=495