Question

90+90+90+90+90x2

Answer 1

=90.4+90.2=90.6=540

Answer 2

90 + 90 + 90 + 90 + 90 x 2

= 90 + 90 + 90 + 90 + 90 + 90

= 90 x 6

= 540

Answer 3

=90+90+90+90+90x2

=90x2+90x2+90x2

=90x(2+2+2)

=90x6

=540

Answer 4

= 540

ủng hộ mk nha

Answer 5

90 + 90 + 90 + 90 + 90 x 2

= 90 + 90 + 90 + 90 + 90 + 90

= 90 x 6

= 540

Answer 6

Ta có : 

90 + 90 + 90 + 90 + 90 x 2

= 90 + 90 + 90 + 90 + 90 + 90

= 90 x 6

= 540

Đáp số : 540

Answer 7

Ta có : 

90 + 90 + 90 + 90 + 90 x 2

= 90 + 90 + 90 + 90 + 90 + 90

= 90 x 6

= 540

Đáp số : 540