Calculeaza,respetnd regurile invatate 52-10:(28-3×9= <br />([19+142:2-9×9= [(25+5×9-70]:100= 336:6:36:6+6:6=<br />(9×9+9:9 )×9= <br />[(208:2+50:2)×3-75×4)×2+0:4= 2×[(90:45)+(121:11-10=<br />20+60:(2×5÷5:50=<br />8+12×[100-75×(96:3:2)]}:8= <br />cine ma ajuta dau coroane<br />