Question

[0,25+0,025-(0,2) la puterea 2]*(5+5*0,5)=

Answer 1

Răspuns:

Explicație pas cu pas:

[ 0,25+0,025 -(0,2) ² * (5+5*0,5)=

[25/100+25/1000- (2/10)²)*5+2,5=

[⁵⁰⁾1/4+⁵⁾1/40-²⁾4/100)*5+2,5=

[( 50+5-8)/200]*5+2,5=

(47/200*5)+2,5=

47/40+⁴⁾25/10=

47/40+100/40=

147/40