Question

resolva as expressões algébicas​

Answer 1

a)

$2 \times 3 - 3 \times 4 + 4 \times 1 \\ 6 - 12 + 4 \\ 6 + 4 \\ 10$

d)

$2 - 4 + 3 \times {3}^{2} - 5 \times 3 \\ - 2 + 3 \times 9 - 15 \\ - 2 + 27 - 15 \\ - 17 + 27 = 10$

e)

${ - 5}^{2} + {2}^{3} + {3}^{4} = \\ - 25 + 4 + ( - 64) \\ - 39 + 4 = \\ - 35$

f)

$500 - 200 + 12 \times 450 = \\ 300 + 12 \times 450 = \\ 300 + 5400 = \\ 5700$