Question

1 resolva as Adiçoes Algebricas
a)28-32+43-51= b)-98+9-26+101= c)75-89+23+5-7=

Answer 1

28-32+43-51
-4+43-51
39-51
-12

-98+9-26+101
-89-26+101
-115+101
-14

75-89+23+5-7
-14+23+5-7
9+5-7
14-7
7