Question

Efectuati: a) 28,4:10²+10[16,8–(400:100–4)] b) 124,5x(7,82:10–0,54)–2,4².

Answer 1

A)28,4:100+10[16,8-(4-4)]=.0,284+10*(16,8-0)=0,284+10*16,8=0,284+168=168,284
B)124,5*(0,782-0,54)-5,76=124,5*0,242-5,76=30,129-5,76=24,369