\(\left(42-69+17\right)-\left(42+17\right)=42-69+17-42-17=-69\)
(42-69+17)-(42+17)
=44-69+17+42+17
=(42-42)-(17-17)-69
=0-0-69
=-69
Ai k mình mình k lại
\(\left(42-69+17\right)-\left(42+17\right)\)
\(=\left(42-42\right)+\left(17-17\right)-69\)
\(=0+0-69\)
\(=-69\)
( 42 - 69 + 17 ) - ( 42 + 17 )
=44 - 69 + 17 + 42 + 17
= ( 42 - 42 ) - ( 17 - 17 ) - 69 = 69
( 42 - 69 + 17 ) - ( 42 + 17 )
= 42 - 69 + 17 + 42 +17
= ( 42 - 42 ) - ( 17 - 17 ) - 69
= 0 - 0 - 69
= - 69
Tk mk nhé , Songoku Sky Fc11 ! Mk tk bạn 3 lần rùi đó !
Ai tk mk thì mk sẽ tk lại cho .
