64+29= 75+16= 93﹣58= 51﹣26=
27+33= 19+43= 530+320= 450﹣320=
462+123= 586﹣421= 173+302= 397+402=
894﹣703= 698﹣503= 709﹣604= 653﹣421=
64+29= 75+16= 93﹣58= 51﹣26=
27+33= 19+43= 530+320= 450﹣320=
462+123= 586﹣421= 173+302= 397+402=
894﹣703= 698﹣503= 709﹣604= 653﹣421=