= -5 - 37 - 45 + 51 + 37 - 51
= (-5 -45 )+ (37 - 37) + (51 - 51)
= -50
\(-5+\left(-37-45+51\right)-\left(-37+51\right)\)
\(=-5-37-45+51+37-51\)
\(=-\left(5+45\right)-\left(37-37\right)+\left(51-51\right)\)
\(=-50-0+0=-50\)
- 5 + ( - 37 - 47 + 51 ) - ( - 37 + 51 ) = - 5 + ( - 33 ) - 14
= - 38 - 14
= - 52
Chúc bạn học tốt
Ta có
-5+(-37-45+51)-(-37+51)
=-5-37-45+51+37-51
=(-5-45)-(37-37)+(51-51)
=-50-0+0
=-50