Question

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20-1-5-9-3=

Answer 1

(1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20 ) -1-5-9-3=

= ( 1 + 20 ) x 20 : 2 - 1 - 5 - 9 - 3 

= 210 - 1 - 5 - 9 - 3 

= 192

hok tốt

Answer 2

bn rảnh ghê ha

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20-1-5-9-3=192

Answer 3

\(192\)

Answer 4

192 nha bn

Answer 5

= ( 1 + 19 ) + ( 2 + 18 ) + ( 3 + 17 ) + ( 4 + 16 ) + ( 5 + 15 ) + ( 6 + 14 ) + ( 7 + 13 ) + ( 8 + 12 ) + ( 9 + 11 ) + 20 + 10 - 1 - 5 - 9 - 3

= (20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20) + 10 -1 -5 - 9 - 3

= 200 + 10 - 1 - 5 - 9 - 3

= 210 - ( 1 + 5 + 9 + 3 )

= 210 - 18

= 192

mk nha

Answer 6

192 nhé hõ tốt

Answer 7

= 192 nha bạn

Answer 8

bằng 192 nhé bạn

Answer 9

câu trả lời 192 bạn nhé

Answer 10

đăng nhập google

Answer 11

192 nha bạn