Question

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

Answer 1

Kết quả là 40 nhé bạn!^^

Answer 2

6+3+9+8+7+4+2+1=40 nha bạn

Answer 3

6 + 3 + 9 + 8 + 7 + 4 + 2 + 1 = 40

Answer 4

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

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

=10+10+10+10

=80

tik ủng hộ nhé

Answer 5

ta có:

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

=10+10+10+10

=10*4=40

Answer 6

6+3+9+8+7+4+2+1=40

Answer 7

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

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

= 10+10+10+10

=40

Answer 8

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

Ta có:6+3=9

9+8=17

7+4=11

2+1=3

Suy ra:9+17+11+3=40