Determine o valor de cada soma objetrica
c) 2 + (2+5-7)
d)-5+(2-4 ) -(7-1)
e)(-5+3)-(5-9))+(8-1)-11
Efetue as expressões
a)-20+(+43)
b)52-(-11)
c)-37-(-29)
d)+33+(-511)
c) 2 + (2+5-7)
d)-5+(2-4 ) -(7-1)
e)(-5+3)-(5-9))+(8-1)-11
Efetue as expressões
a)-20+(+43)
b)52-(-11)
c)-37-(-29)
d)+33+(-511)
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C)2
d)-3
e)-2
efetue as expressões:
a)23
b)41
c)-66
d)-478