Question

Preciso de ajuda para resolver:
Estas 2 expressões: 12.(20³+12.[51+(10+10).9]120+12)10²
e
√16+20.7(21:7+15.2[100.50+{71+21.20}40]210)

Answer 1

12.(20³+12.[51+20.9].120+12)10²
12.(20³+12.231.120+12)10²
12.(8000+12.231.120+12)10²
12.(8000+2772.120+12)10²
12.(8000+332640+12)10²
12.340652.10²
12.340652.100
4087824.100
408782400