Răspuns :
a) - 9 : ( - 7 + 4 ) = - 9 : ( - 3) = 3
b) - ( - 10 - 4 ) : ( - 7 ) = - ( - 14 ) : ( - 7 ) = 14 : ( - 7 ) = - 2
c) ( - 12 - 3 ) : ( + 5 ) = ( - 15 ) : ( + 5 ) = - 3
d) (- 24 ) : ( + 9 - 5 ) = ( - 24 ) : ( + 4) = - 6
a) - 9 : ( - 7 + 4 ) = - 9 : ( - 3) = 3
b) - ( - 10 - 4 ) : ( - 7 ) = - ( - 14 ) : ( - 7 ) = 14 : ( - 7 ) = - 2
c) ( - 12 - 3 ) : ( + 5 ) = ( - 15 ) : ( + 5 ) = - 3
d) (- 24 ) : ( + 9 - 5 ) = ( - 24 ) : ( + 4) = - 6