425+679+238=

(a)  

500+700+300=

(a)  

378+672+389=

(a)  

259+367+456=

(a)  

230+330+425=

(a)  

152+231+333=

(a)  

622+122+202=

(a)  

445+103+221=

(a)  

220+333+421=

(a)