Question

c) 50 - 3 x {7+8:4 - [20 - 3 x (9 - 5)]} =​

Answer 1

Resposta:50-3x{7+8/4-[20-3x(9-5)]}

50-3x{7+8/4-[20-3x4]}

50-3x{7+8/4-[20-12]}

50-3x{7+8/4-8}

50-3x{7+2-8}

50-3x1

50-3=

47

Answer 2

Resposta: 47

50-3x{7+8/4-[20-3x(9-5)]}

50-3x{7+8/4-[20-3x4]}

50-3x{7+8/4-[20-12]}

50-3x{7+8/4-8}

50-3x{7+2-8}

50-3x1

50-3=

47