Question

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10

 

Answer 1

1+2+3+4+5+6+7+8+9+10

=(1+9)+(2+8)+(3+7)+(4+6)+10+5

=10+10+10+10+10+5

=50+5

=55

Answer 2

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10

= ( 1 + 9 ) + ( 2 + 8 ) + ( 3 + 7 ) + ( 4 + 6) + 5 + 10

= 1 + 1 + 1 + 1 + 5 + 10

= 19

k nha mình k lại

Answer 3

bang 19 nha

Answer 4

=(1+9)+(2+8)+(3+7)+(4+6)+5

=   10 +  10+10+10+5

=       55

Answer 5

+ 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10

= ( 1 + 9 ) + ( 2 + 8 ) + ( 3 + 7 ) + ( 4 + 6) + 5 + 10

= 10 + 10 + 1 0+ 10 + 5 + 10

=  10 x 4 + 5 + 10

= 50 + 5

= 55

Answer 6

1+2+3+4+5+6+7+8+9+10

=(1+9)+(2+8)+(3+7)+(4+6)+10+5

=10+10+10+10+10+5

=50+5

=55

 mik nha Nobita Kun

Answer 7

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 

= ( 1 + 9 ) + ( 2 + 8 ) + ( 3 + 7 ) + ( 4 + 6 ) + 5 + 10

=     10     +      10    +     10     +     10     + 5 + 10

=                40                                         + 5 + 10

=                                55

k nhamk k laij

Answer 8

= ( 1 + 9 ) + ( 2 + 8 ) + ( 3 + 7 ) + ( 4 + 6 ) + 10 + 5

= 10 + 10 + 10 + 10 + 10 + 5

= 50 + 5

= 55

Answer 9

= (9+1) + (8+2) + (7+3) + (6+4) + 5 +10

= 10 + 10 + 10 + 10 + 5 + 10

= 40 + 5 + 10 

= 45 + 10 

= 55

Answer 10

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 =55

k nha Nobita Kun

Answer 11

= ( 1+9)+(2+8)+(7+3)+(6+4)+10+5

=10+10+10+10+10+5

=55

l-i-k-e nha!!^^)

Answer 12

=55 nhé

Answer 13

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10

= ( 1 + 9 ) + ( 2 + 8 ) + ( 3 + 7 ) + ( 4 + 6) + 5 + 10

= 1 + 1 + 1 + 1 + 5 + 10

= 19