4. (1820×9×8-76+9388-315-548×7)×6 5. (44 197:193×169-77+10318+44 163:7)×6 6.18 387+26514+(6110+24348+7637+32882)×6 7. (39 337:139+25590:30)×47+9904×11×6 8.15 290×8+(10890-51+36616-27×13-154)×7 9. (22 269:3×17×7+39606-1338)×6:4273

Решение: 4. (1820×9×8-76+9388-315-548×7)×6 = (131040 - 76 + 9388 - 315 - 3836) × 6 = (131040 + 9388 - 76 - 315 - 3836) × 6 = (140428 - 4227) × 6 = 136201 × 6 = 817206 5. (44 197:193×169-77+10318+44 163:7)×6 = (229 × 169 - 77 + 10318 + 6309) × 6 = (38781 - 77 + 10318 + 6309) × 6 = (38704 + 16627) × 6 = 55331 × 6 = 331986 6. 18 387+26514+(6110+24348+7637+32882)×6 = 18387 + 26514 + (70977) × 6 = 18387 + 26514 + 425862 = 44424 + 425862 = 470286 7. (39 337:139+25590:30)×47+9904×11×6 = (283 + 853) × 47 + 9904 × 11 × 6 = (1136) × 47 + 108944 × 6 = 53392 + 653664 = 707056 8. 15 290×8+(10890-51+36616-27×13-154)×7 = 15290 × 8 + (10890 - 51 + 36616 - 351 - 154) × 7 = 122320 + (47455 - 556) × 7 = 122320 + 46899 × 7 = 122320 + 328293 = 450613 9. (22 269:3×17×7+39606-1338)×6:4273 = (7423 × 17 × 7 + 39606 - 1338) × 6 : 4273 = (126191 × 7 + 39606 - 1338) × 6 : 4273 = (883337 + 38268) × 6 : 4273 = 921605 × 6 : 4273 = 5529630 : 4273 = 1293.9