Question

calcule as expressão numérica 18-{[(26-7+15)+26-36:2]+3}​

Answer 1

18-{[(26-7+15)+26-36:2]+3}​=

18-{[34+26-36:2]+3}

18-{[26-18]+3}

18-{8+3}

18-11

7

Answer 2

18 -{[(26 - 7 + 15) + 26 - 36 : 2] + 3}

18 - {[(19 + 15) + 26 - 18] + 3}

18 - {[ 34 + 8] + 3}

18 - {42 + 3}

18 - 45

- 27