Addition
100

142+135

277

200

263+ 124

387

300

415+231

646

400

521+148

669

500

304+292

596

600

612+175

787

700

438+221

659

800

156+342

498

900

720+130

850

1000

245+324

569

1100

508+191

699

1200

333+444

777

1300

615+204

819

1400

452+136

588

1500

225+531

756