Question

c) 40 + (139 – 172 + 99) – (139 + 199 – 127) 

Answer 1

40

Answer 2

câu này mk lm r mà:v?

Answer 3

40 + ( 139 – 172 + 99 ) – ( 139 + 199 – 127 )

=40+139-172+99-139-199+127

=(139-139)+(99-199)+(127-172+40)

=0-100+(-45+40)

=-100-5

=-105

 

 

Answer 4

40 + ( 139 – 172 + 99 ) – ( 139 + 199 – 127 )

 

=40+139-172+99-139-199+127

 

=(139-139)+(99-199)+(127-172+40)

 

=0-100+(-45+40)

 

=-100-5

 

=-105