-92 + 163 = 968 - 166 =
126 + 487 =
883 - 228 =
296 + 493 =
410 – 269 =
361 + 80 =
255 - 108 =
707 + 77 =
435 - 59 =
99 + 248 =
344 – 193 =
177 + 608
439 - 423 =
164 + 829 =
356 - 186 =
486 + 336 =
556 - 309 =
416 + 422=
698 - 533 =
540 + 364
537 - 282=
93 + 378 =
880 - 576 =
375 + 486
752 -- 385 =
