Question

1+1+1+2+2+3+3+4+4+5+5+6+6=????????????????????

 

Answer 1

​43 nha ban

chuc ban hoc tot

Answer 2

1 + 1 + 1 + 2 + 2 + 3 + 3 + 4 + 4 + 5 + 5 + 6 + 6
= 1 x 3 + 2 x 2 + 3 x 2 + 4 x 2 + 5 x 2 + 6 x 2
= 3 + 4 + 6 + 8 + 10 + 12
= 7 + 6 + 8 + 10 + 12
= 13 + 8 + 10 + 12
= 21 + 10 + 12
= 31 + 12
= 43

1 + 1 + 1 + 2 + 2 + 3 + 3 + 4 + 4 + 5 + 5 + 6 + 6
= 1 x 3 + 2 x 2 + 3 x 2 + 4 x 2 + 5 x 2 + 6 x 2
= 3 + 4 + 6 + 8 + 10 + 12
= 7 + 6 + 8 + 10 + 12
= 13 + 8 + 10 + 12
= 21 + 10 + 12
= 31 + 12
​= 43

 

Answer 3

=43 nha bn

** mk nha

Answer 4

\(1\cdot3+2\cdot2+3\cdot2+4\cdot2+5\cdot2+6\cdot2\)

=\(3+4+6+8+10+12=43\)

chúc bạn học tốt

Answer 5

1 x 3 + 2 x 2 + 3 x 2 + 4 x 2 + 5 x 2 + 6 x 2

3 + 4 + 6 + 8 + 10 + 12

7 + 14 + 22

21 + 22

43

Answer 6

1+1+1+2+2+3+3+4+4+5+5+6+6

= 1 x 3 + 2 x 2 + 3 x 2 + 4 x 2 + 5 x 2 + 6 x 2

= 3 + 2 x ( 2 + 3 + 4 + 5 + 6 )

= 3 + 2 x 20

= 3 + 40

= 43

Answer 7

1+1+1+2+2+3+3+4+4+5+5+6+6

=1x3+2x2+3x2+4x2+5x2+6x2

=3+4+6+8+10+12

=7+6+8+10+12

=13+6+8+10+12

=19+8+10+12

=27+10+12

=37+12

=49

Answer 8

thôi chết

ghi sai rồi