Question

Efetue as expressões algébricas
A) 3-( -6 ) + ( + 4 ) + ( + 6 ) + ( - 15 ) + ( -8 ) + ( -9 )

Answer 1

Boa tarde, Mar.

3-( -6 ) + ( + 4 ) + ( + 6 ) + ( - 15 ) + ( -8 ) + ( -9 ) = 
3+6+4+6-15-8-9 = 
19-32 = -13

Bons estudos! :-)