230 120 18 92
- - =
400 400 400 400
67 + (65 -59)=73 10+ (6-3)=13 (242+118)-200=160
175- (32+18)=125 4+(1+19)=24
230 120 18 92
- - =
400 400 400 400
67 + (65 -59)=73 10+ (6-3)=13 (242+118)-200=160
175- (32+18)=125 4+(1+19)=24