Question

28.0 valor da expressão a + b + c + d para
a = 8,5 = -6,0 = -7 ed=5 é:
b)1.
c)25. d) 26.
a) 0.​

Answer 1

$\Large\boxed{\boxed{\boxed{{Ola\´\ }}}}}$

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$\sf a + b + c + d \\ \sf8 + ( - 6) + ( - 7) + 5 \\ \sf8 - 6 - 7 + 5 \\ \sf13 - 6 - 7 \\ \sf13 - 13 \\ \large\boxed{{\sf \large\boxed{{\sf 0{}}}{}}}$