Question

90-40+30-60*2+100=???????????

a.125

b.140

c.300

d.150

 chúc may mắn!!!!!!!!!!!!!!!!!!!!

Answer 1

90 - 40 + 30 x 60 x 2 + 100

= 90 - 40 + 30 - 60 x 2 + 100

= ( 50 +30 - 60 ) x 2 +100

= 20 x 2 + 100

= 40 + 100

= 140

Đáp án là : B nha

Answer 2

90-40+30-60*2+100=?

a.125

b.140

c.300

d.150

b.140

Answer 3

90 - 40 + 30 - 60 x 2 + 100

= 90 - 40 + 30 - 60 x 2 + 100

= ( 50 + 30 - 60 ) x 2 + 100

=       20 x 2 + 100

= 40 + 100

= 140

vậy đáp án : b . 140