For each numbered problem, provide the two numbers being added, and the sum.

№ 1

• 307 + 165 = 472
• 178 + 276 = 454
• 129 + 634 = 763

№ 2

• 376 + 568 = 944
• 206 + 316 = 522
• 145 + 321 = 466

№ 3

• 405 + 527 = 932
• 522 + 417 = 939
• 259 + 543 = 802

№ 4

• 309 + 734 = 1043
• 533 + 723 = 1256
• 575 + 389 = 964