Question

a+a+a+a+a+a+b+2b+b+b+b.Biet a+b=85

Answer 1

=(a+a+a+a+a+a)+(b+2b+b+b+b)

=6a+6b=6.(a+b)=6.85=510

Answer 2

a+a+a+a+a+a+b+2b+b+b+b

=a+a+a+a+a+a+b+b+b+b+b+b

=(a+b)+(a+b)+(a+b)+(a+b)+(a+b)+(a+b)

=85+85+85+85+85+85

=85x6

=510

Answer 3

a + a + a + a + a + a + b + 2b + b + b + b
=> ( a + a + a + a + a + a ) + ( b + 2b + b + b + b )
=> 6a + 6b
=> 6 ( a + b )
Do a + b = 85 nên
=> 6 * 85
=> 510

Answer 4

85*6=510 

không chắc

Answer 5

510 nha 100% lun

Answer 6

a + a + a + a + a + a + b + 2b + b + b + b

= 6a + 6b

= 6 . ( a + b )

= 6 . 85 

= 510