Question

1+9+9+8+7=?

Answer 1

1 + 9 + 9 +8 +7 = 34

Answer 2

1 + 9 + 9 + 8 + 7

= (1 + 9 ) + 9 + 8 + 7

= 10 + 9 + 8 + 7

= 19 + 8 + 7

= 27 + 7

= 34

Answer 3

= 34

k nha

Answer 4

\(1+9+9+8+7=34\)

kmk3cainhaĐàm Huy Hoàng

  

Answer 5

1+9+9+8+7

=1+9.2+15

=1+18+15

=19+15

=34

Answer 6

34 

nhớ k mình nha

Answer 7

1+9+9+8+7=34( hí hí)

Answer 8

1+9+9+8+7=34

Answer 9

1+9+9+8+7

=10+9+8+7

=19+8+7

=27+7

=34

Answer 10

1+9+9+8+7=34