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rezultatul calcului (2,8 -1,3)totu la 2 +2,16:0,03

Răspuns :

(1,5)²+(216:10):(3:100)=2,25+[tex] \frac{216}{10} [/tex] · [tex] \frac{3}{100} [/tex] = 2,25+ (216:3) * (100/100)=2,25+72=74,25
(2,8-1,3)² +2,16 : 0,03 =

= 1,5² +72 =

= (3/2)² +72 =

= 9/4 + 72 =

= ( 9+288) /4 =

= 297/4