Question

tính nhanh

1 + 19 + 12 + 8 + 13 + 7 + 14 + 5 + 15 + 6

Answer 1

1+19+12+8+13+7+14+5+15+6=100  nhé bạn

Answer 2

1 + 19 + 12 + 8 + 13 + 7 + 14 + 5 + 15 + 6

= (1 + 19) + (12 + 8) + (13 +7) + (14 + 6) + (15 + 5)

=    20      +     20    +     20    +       20   +      20

=           100

Answer 3

20+20+20+20+20=100 k nha

Answer 4

   1 + 19 + 12 + 8 + 13 + 7 + 14 + 5 + 15 + 6

= (1+19)+(12+8)+(13+7)+(14+6)+(15+5)

=     20  +    20  +    20  +   20   +   20

=                     20x5

=                      100

Answer 5

1 + 19 + 12 + 8 + 13 + 7 + 14 + 5 + 15 + 6 

= ( 1 + 19 ) + ( 12 + 8 ) + ( 13 + 7 ) + ( 14 + 6 ) + ( 15 + 5 )

= 10 X 5 

= 50 

NHÉ !

Answer 6

=( 1+19 )+(`12+8)+(13+7)+(14+6)+(15+5)

= 20+20+20+20+20

=100

k cho mk nha​

Answer 7

= ( 1+19 ) + ( 12 +8)+(13+7)+(14+6)+(15+5)

= 20+20+20+20+20

= 100

Answer 8

1+19+12+8+13+7+14+5+15+16

=(1+19)+(12+8)+(13+7)+(14+6)+(5+15)

= 20 +    20      +   20   + 20    + 20

=           50