Question

3) Calcule o valor das expressões:
a) (7,54+8,215)-(1,25+6,8573)
b) (12,49-5,71)+(14,1-6,213)
c) 238,5-64,786+12,15​

Answer 1

Resposta:

a) (7,54+8,215) - (1,25+6,8573)  = (15,755) - (8,1073) = 7,6471

b) (12,49-5,71) + (14,1-6,213)  = (6,78) + (7,887) = 14,667

c) 238,5 - 64,786 + 12,15​ = 173.714 + 12,15 = 185,864