Explicação passo-a-passo:
25b - 3abzw² + wab + 1
a = 1; b = 3; w = 4; z = 1/2
(25 × 3) - (3 × 1 × 3 × 1/2 × 4²) + (4 × 1 × 3) + 1 =
75 - (9/2 × 16) + 12 + 1 =
75 - 144/2 + 13 =
75 - 72 + 13 =
3 + 13 =
16
[tex] {b}^{2} - 5 {a}^{3} + z w \sqrt{a + b} \\ {3}^{2} - (5 \times {1}^{3} ) + ( \frac{1}{2} \times 4 \times \sqrt{1 + 3} ) = \\ \\ 9 - 5 + ( \frac{4}{2} \times \sqrt{4} ) = \\ \\ 4 + (2 \times 2) = \\ 4 + 4 = \\ 8[/tex]
