Question

Calculati prin operatii:
a){6-[282*(-1)-(44:11-18)]}-644
b)25la putera a 2:(-5)la puterea a 2 -{42+3*[6-(3la puterea a 3 *5+11)]}
Urgentttttttttt, va rog dau coronitza!

Answer 1

a) 1. 44÷11=4; 2. 4-18=-14; 3. 282×(-1)=-282; 4. -282-(-14)= -268; 5. 6-(-268)= 274; 6. 274-644=-370 b)1. 3 la puterea 3=27; 2. 27×5=135; 3. 135+11=146; 4. 6-146=-140; 5. 3×(-140)=-420; 6. 42+(-420)=-378; 7. 25 la putera 2=625; 8. (-5) la puterea 2=25; 9. 625÷25=25; 10. 25-(-378)=403