Question

50+{10-2×[(6+4÷2)-(10-3)]}

Answer 1

50+{10-2x[(6+4÷2)-(10-3)]}
50+{10-2x[(6+2)-7]}
50+{10-2x[8-7]}
50+{10-2x1}
50+{10-2}
50+8
58
Espero ter ajudado!

Answer 2

50+{10-2×[(6+4÷2)-(10-3)]}

50+{10-2×[(6+2)-7]}

50+{10-2×[8-7]}

50+{10-2×1 }

50+{10-2}

50+ 8=58