- 耗时： 0分0秒
- 题数：
- 得分：
- 112 - 43 + 90 (112 + 43) - 90 >
- 873 ÷ 97 - 1 (873 ÷ 97) + 1 <
- 47 × 6 - 86 (47 × 86) - 6 <
- 800 ÷ 40 - 1 (800 ÷ 40) + 1 <
- 895 - 40 + 27 (895 + 40) - 27 <
- 774 + 10 - 79 774 - 10 + 79 <
- 605 ÷ 11 - 11 (605 ÷ 11) + 11 <
- 43 × 9 + 59 (43 × 59) + 9 <
- 82 × 2 - 11 (82 × 11) - 2 <
- 370 - 62 + 90 (370 + 62) - 90 >
- 850 ÷ 10 + 85 (850 ÷ 10) - 85 >
- 800 ÷ 32 - 5 (800 ÷ 32) + 5 <
- 720 ÷ 20 + 15 (720 ÷ 20) - 15 >
- 614 - 96 + 34 (614 + 96) - 34 <
- 62 × 5 + 28 (62 × 28) + 5 <
- 750 ÷ 30 - 2 (750 ÷ 30) + 2 <
- 49 × 8 + 49 (49 × 49) + 8 <
- 57 × 2 - 17 (57 × 17) - 2 <
- 76 × 6 - 66 (76 × 66) - 6 <
- 270 ÷ 27 - 9 (270 ÷ 27) + 9 <
- 85 × 8 + 91 (85 × 91) + 8 <
- 52 × 5 - 7 (52 × 7) - 5 <
- 233 + 10 - 55 233 - 10 + 55 <
- 657 + 10 - 57 657 - 10 + 57 <
- 66 × 6 + 21 (66 × 21) + 6 <
- 749 - 30 + 98 (749 + 30) - 98 >
- 330 ÷ 10 - 6 (330 ÷ 10) + 6 <
- 924 ÷ 11 + 11 (924 ÷ 11) - 11 >
- 372 ÷ 93 - 2 (372 ÷ 93) + 2 <
- 809 - 39 + 58 (809 + 39) - 58 >
- 960 ÷ 10 + 48 (960 ÷ 10) - 48 >
- 94 × 1 + 12 (94 × 12) + 1 <
- 345 + 10 - 20 345 - 10 + 20 <
- 800 ÷ 20 + 32 (800 ÷ 20) - 32 >
- 720 ÷ 15 + 48 (720 ÷ 15) - 48 >
- 792 ÷ 22 + 22 (792 ÷ 22) - 22 >
- 374 + 10 - 71 374 - 10 + 71 <
- 636 - 74 + 47 (636 + 74) - 47 <
- 840 ÷ 20 + 14 (840 ÷ 20) - 14 >
- 37 × 7 - 89 (37 × 89) - 7 <
- 562 + 10 - 50 562 - 10 + 50 <
- 299 + 10 - 38 299 - 10 + 38 <
- 345 - 77 + 40 (345 + 77) - 40 <
- 720 ÷ 16 + 15 (720 ÷ 16) - 15 >
- 40 - 70 + 72 (40 + 70) - 72 >
- 30 × 6 + 78 (30 × 78) + 6 <
- 33 × 7 - 59 (33 × 59) - 7 <
- 612 ÷ 51 - 4 (612 ÷ 51) + 4 <
- 492 - 22 + 84 (492 + 22) - 84 >
- 630 ÷ 18 - 1 (630 ÷ 18) + 1 <
- 13 × 7 - 5 (13 × 5) - 7 >
- 35 × 8 + 24 (35 × 24) + 8 <
- 81 × 1 - 75 (81 × 75) - 1 <
- 67 × 3 + 57 (67 × 57) + 3 <
- 705 + 10 - 40 705 - 10 + 40 <
- 335 + 10 - 77 335 - 10 + 77 <
- 454 + 10 - 65 454 - 10 + 65 <
- 774 + 10 - 89 774 - 10 + 89 <
- 95 × 9 - 72 (95 × 72) - 9 <
- 59 × 7 + 69 (59 × 69) + 7 <
- 80 × 7 + 47 (80 × 47) + 7 <
- 62 × 3 - 98 (62 × 98) - 3 <
- 90 × 8 - 1 (90 × 1) - 8 >
- 357 - 94 + 33 (357 + 94) - 33 <
- 936 ÷ 13 - 52 (936 ÷ 13) + 52 <
- 135 + 10 - 86 135 - 10 + 86 <
- 546 ÷ 39 - 7 (546 ÷ 39) + 7 <
- 820 ÷ 82 + 10 (820 ÷ 82) - 10 >
- 69 × 2 - 28 (69 × 28) - 2 <
- 909 + 10 - 43 909 - 10 + 43 <
- 358 - 33 + 21 (358 + 33) - 21 <
- 27 × 1 + 38 (27 × 38) + 1 <
- 69 × 9 - 2 (69 × 2) - 9 >
- 71 × 9 - 17 (71 × 17) - 9 <
- 26 × 9 - 21 (26 × 21) - 9 <
- 545 + 10 - 78 545 - 10 + 78 <
- 176 ÷ 11 + 11 (176 ÷ 11) - 11 >
- 528 ÷ 48 - 2 (528 ÷ 48) + 2 <
- 90 × 4 - 21 (90 × 21) - 4 <
- 892 - 65 + 83 (892 + 65) - 83 >
- 240 - 92 + 20 (240 + 92) - 20 <
- 40 × 1 - 5 (40 × 5) - 1 <
- 979 + 10 - 97 979 - 10 + 97 <
- 474 + 10 - 46 474 - 10 + 46 <
- 16 × 6 + 69 (16 × 69) + 6 <
- 56 × 9 - 1 (56 × 1) - 9 >
- 840 ÷ 21 + 35 (840 ÷ 21) - 35 >
- 33 × 4 - 96 (33 × 96) - 4 <
- 78 × 4 - 57 (78 × 57) - 4 <
- 780 ÷ 10 + 10 (780 ÷ 10) - 10 >
- 494 ÷ 13 - 2 (494 ÷ 13) + 2 <
- 507 ÷ 13 + 13 (507 ÷ 13) - 13 >
- 925 ÷ 37 - 25 (925 ÷ 37) + 25 <
- 477 + 10 - 71 477 - 10 + 71 <
- 902 - 14 + 83 (902 + 14) - 83 >
- 504 ÷ 12 + 42 (504 ÷ 12) - 42 >
- 90 × 8 + 32 (90 × 32) + 8 <
- 13 × 2 + 37 (13 × 37) + 2 <
- 825 ÷ 11 - 25 (825 ÷ 11) + 25 <
- 822 - 81 + 82 (822 + 81) - 82 >
- 53 + 10 - 40 53 - 10 + 40 <
- 72 × 4 - 17 (72 × 17) - 4 <
- 461 - 99 + 56 (461 + 99) - 56 <
- 216 ÷ 18 - 12 (216 ÷ 18) + 12 <
- 806 + 10 - 47 806 - 10 + 47 <
- 448 ÷ 64 - 1 (448 ÷ 64) + 1 <
- 912 ÷ 24 - 4 (912 ÷ 24) + 4 <
- 777 + 10 - 52 777 - 10 + 52 <
- 61 × 8 - 68 (61 × 68) - 8 <
- 450 ÷ 15 - 6 (450 ÷ 15) + 6 <
- 50 × 2 - 34 (50 × 34) - 2 <
- 37 × 7 + 81 (37 × 81) + 7 <
- 50 × 6 + 35 (50 × 35) + 6 <
- 684 ÷ 57 + 12 (684 ÷ 57) - 12 >
- 228 ÷ 76 - 1 (228 ÷ 76) + 1 <
- 900 ÷ 45 - 6 (900 ÷ 45) + 6 <
- 966 ÷ 23 + 42 (966 ÷ 23) - 42 >
- 25 × 4 - 14 (25 × 14) - 4 <
- 969 ÷ 17 - 51 (969 ÷ 17) + 51 <
- 766 + 10 - 87 766 - 10 + 87 <
- 104 ÷ 52 - 2 (104 ÷ 52) + 2 <
- 528 ÷ 88 - 4 (528 ÷ 88) + 4 <
- 819 ÷ 63 - 3 (819 ÷ 63) + 3 <
- 624 ÷ 12 + 12 (624 ÷ 12) - 12 >
- 76 × 2 + 34 (76 × 34) + 2 <
- 79 × 7 - 56 (79 × 56) - 7 <
- 52 × 6 - 9 (52 × 9) - 6 <
- 458 + 10 - 30 458 - 10 + 30 <
- 752 + 10 - 20 752 - 10 + 20 <
- 720 - 45 + 38 (720 + 45) - 38 <
- 29 × 7 + 36 (29 × 36) + 7 <
- 436 + 10 - 73 436 - 10 + 73 <
- 440 ÷ 44 + 10 (440 ÷ 44) - 10 >
- 434 + 10 - 35 434 - 10 + 35 <
- 98 × 1 - 64 (98 × 64) - 1 <
- 486 - 16 + 13 (486 + 16) - 13 <
- 161 - 95 + 30 (161 + 95) - 30 <
- 38 × 6 - 88 (38 × 88) - 6 <
- 780 ÷ 10 + 26 (780 ÷ 10) - 26 >
- 522 + 10 - 64 522 - 10 + 64 <
- 93 × 4 + 70 (93 × 70) + 4 <
- 23 × 7 - 60 (23 × 60) - 7 <
- 918 ÷ 17 + 54 (918 ÷ 17) - 54 >
- 22 × 5 - 53 (22 × 53) - 5 <
- 77 × 1 - 42 (77 × 42) - 1 <
- 42 × 6 + 11 (42 × 11) + 6 <
- 249 + 10 - 23 249 - 10 + 23 <
- 990 ÷ 22 + 22 (990 ÷ 22) - 22 >
- 660 - 59 + 85 (660 + 59) - 85 >
- 608 ÷ 38 - 2 (608 ÷ 38) + 2 <
- 485 + 10 - 80 485 - 10 + 80 <
- 44 × 4 - 83 (44 × 83) - 4 <
- 72 × 9 + 98 (72 × 98) + 9 <
- 57 × 8 - 32 (57 × 32) - 8 <
- 570 ÷ 10 - 6 (570 ÷ 10) + 6 <
- 220 ÷ 11 + 20 (220 ÷ 11) - 20 >
- 720 ÷ 24 + 12 (720 ÷ 24) - 12 >
- 76 - 82 + 11 (76 + 82) - 11 <
- 960 ÷ 32 - 2 (960 ÷ 32) + 2 <
- 76 × 1 - 27 (76 × 27) - 1 <
- 936 ÷ 24 + 39 (936 ÷ 24) - 39 >
- 787 + 10 - 13 787 - 10 + 13 <
- 16 × 1 + 16 (16 × 16) + 1 <
- 924 ÷ 11 + 28 (924 ÷ 11) - 28 >
- 45 × 5 - 17 (45 × 17) - 5 <
- 180 ÷ 30 - 5 (180 ÷ 30) + 5 <
- 23 × 9 - 56 (23 × 56) - 9 <
- 684 ÷ 36 + 18 (684 ÷ 36) - 18 >
- 356 - 80 + 63 (356 + 80) - 63 <
- 112 - 57 + 58 (112 + 57) - 58 >
- 912 ÷ 19 - 16 (912 ÷ 19) + 16 <
- 361 + 10 - 59 361 - 10 + 59 <
- 89 × 1 - 66 (89 × 66) - 1 <
- 420 ÷ 30 + 14 (420 ÷ 30) - 14 >
- 958 + 10 - 80 958 - 10 + 80 <
- 99 × 7 - 8 (99 × 8) - 7 <
- 340 ÷ 10 + 20 (340 ÷ 10) - 20 >
- 491 - 41 + 58 (491 + 41) - 58 >
- 703 + 10 - 47 703 - 10 + 47 <
- 212 + 10 - 34 212 - 10 + 34 <
- 198 ÷ 66 - 3 (198 ÷ 66) + 3 <
- 503 + 10 - 98 503 - 10 + 98 <
- 868 ÷ 62 + 14 (868 ÷ 62) - 14 >
- 75 × 9 + 44 (75 × 44) + 9 <
- 792 ÷ 12 - 4 (792 ÷ 12) + 4 <
- 663 - 13 + 37 (663 + 13) - 37 >
- 87 × 8 - 69 (87 × 69) - 8 <
- 270 ÷ 15 + 18 (270 ÷ 15) - 18 >
- 59 × 4 - 80 (59 × 80) - 4 <
- 22 × 4 - 4 (22 × 4) - 4 =
- 510 ÷ 17 + 17 (510 ÷ 17) - 17 >
- 220 ÷ 10 - 5 (220 ÷ 10) + 5 <
- 604 + 10 - 82 604 - 10 + 82 <
- 374 ÷ 17 + 17 (374 ÷ 17) - 17 >
- 68 × 4 - 67 (68 × 67) - 4 <
- 74 × 3 - 61 (74 × 61) - 3 <
- 504 ÷ 63 - 6 (504 ÷ 63) + 6 <
- 64 × 5 - 21 (64 × 21) - 5 <
- 720 ÷ 16 + 18 (720 ÷ 16) - 18 >
- 924 ÷ 28 - 6 (924 ÷ 28) + 6 <
- 920 ÷ 46 + 10 (920 ÷ 46) - 10 >
- 771 - 92 + 92 (771 + 92) - 92 =
- 924 ÷ 22 + 12 (924 ÷ 22) - 12 >
- 87 × 4 + 96 (87 × 96) + 4 <
- 957 ÷ 87 + 11 (957 ÷ 87) - 11 >
- 758 + 10 - 70 758 - 10 + 70 <
- 52 × 3 - 6 (52 × 6) - 3 <
- 918 ÷ 17 + 51 (918 ÷ 17) - 51 >
- 88 × 1 + 21 (88 × 21) + 1 <
- 70 × 1 - 44 (70 × 44) - 1 <
- 42 × 3 - 16 (42 × 16) - 3 <
- 80 × 8 - 69 (80 × 69) - 8 <
- 540 ÷ 27 + 10 (540 ÷ 27) - 10 >
- 252 ÷ 42 - 4 (252 ÷ 42) + 4 <
- 780 ÷ 30 + 10 (780 ÷ 30) - 10 >
- 54 × 9 + 72 (54 × 72) + 9 <
- 18 × 8 + 80 (18 × 80) + 8 <
- 75 × 2 - 85 (75 × 85) - 2 <
- 968 ÷ 11 + 88 (968 ÷ 11) - 88 >
- 616 ÷ 14 + 14 (616 ÷ 14) - 14 >
- 338 ÷ 13 - 1 (338 ÷ 13) + 1 <
- 498 ÷ 83 - 3 (498 ÷ 83) + 3 <
- 266 - 57 + 24 (266 + 57) - 24 <
- 942 - 99 + 61 (942 + 99) - 61 <
- 617 + 10 - 99 617 - 10 + 99 <
- 756 ÷ 18 + 12 (756 ÷ 18) - 12 >
- 240 ÷ 30 - 5 (240 ÷ 30) + 5 <
- 792 ÷ 22 + 22 (792 ÷ 22) - 22 >
- 490 + 10 - 93 490 - 10 + 93 <
- 715 ÷ 55 + 13 (715 ÷ 55) - 13 >
- 41 × 3 + 62 (41 × 62) + 3 <
- 63 × 2 + 78 (63 × 78) + 2 <
- 595 ÷ 85 - 1 (595 ÷ 85) + 1 <
- 774 - 51 + 69 (774 + 51) - 69 >
- 990 ÷ 10 - 18 (990 ÷ 10) + 18 <
- 51 × 6 - 30 (51 × 30) - 6 <
- 888 ÷ 37 + 12 (888 ÷ 37) - 12 >
- 24 × 1 + 71 (24 × 71) + 1 <
- 546 ÷ 13 + 13 (546 ÷ 13) - 13 >
- 25 × 6 + 60 (25 × 60) + 6 <
- 664 ÷ 83 - 4 (664 ÷ 83) + 4 <
- 672 ÷ 21 + 12 (672 ÷ 21) - 12 >
- 360 ÷ 10 + 18 (360 ÷ 10) - 18 >
- 840 ÷ 70 - 2 (840 ÷ 70) + 2 <
- 848 ÷ 16 + 16 (848 ÷ 16) - 16 >
- 828 ÷ 23 + 23 (828 ÷ 23) - 23 >
- 119 + 10 - 27 119 - 10 + 27 <
- 280 ÷ 10 - 28 (280 ÷ 10) + 28 <
- 56 × 5 + 58 (56 × 58) + 5 <
- 41 × 7 + 76 (41 × 76) + 7 <
- 684 + 10 - 75 684 - 10 + 75 <
- 506 - 45 + 52 (506 + 45) - 52 >
- 292 + 10 - 10 292 - 10 + 10 =
- 672 ÷ 12 + 28 (672 ÷ 12) - 28 >
- 80 × 3 + 63 (80 × 63) + 3 <
- 51 × 8 + 76 (51 × 76) + 8 <
- 484 - 97 + 86 (484 + 97) - 86 <
- 93 × 8 + 75 (93 × 75) + 8 <
- 747 - 48 + 43 (747 + 48) - 43 <
- 56 × 2 + 38 (56 × 38) + 2 <
- 974 - 75 + 64 (974 + 75) - 64 <
- 14 × 4 - 6 (14 × 6) - 4 <
- 488 + 10 - 60 488 - 10 + 60 <
- 806 ÷ 31 - 1 (806 ÷ 31) + 1 <
- 987 ÷ 21 + 47 (987 ÷ 21) - 47 >
- 138 + 10 - 71 138 - 10 + 71 <
- 767 - 87 + 51 (767 + 87) - 51 <
- 55 × 8 + 81 (55 × 81) + 8 <
- 840 ÷ 21 - 40 (840 ÷ 21) + 40 <
- 134 + 10 - 14 134 - 10 + 14 <
- 561 ÷ 33 - 1 (561 ÷ 33) + 1 <
- 57 × 7 - 21 (57 × 21) - 7 <
- 670 + 10 - 28 670 - 10 + 28 <
- 710 - 57 + 80 (710 + 57) - 80 >
- 884 ÷ 13 + 68 (884 ÷ 13) - 68 >
- 49 × 5 - 37 (49 × 37) - 5 <
- 560 ÷ 56 + 10 (560 ÷ 56) - 10 >
- 49 × 8 - 40 (49 × 40) - 8 <
- 560 - 31 + 20 (560 + 31) - 20 <
- 468 ÷ 36 + 13 (468 ÷ 36) - 13 >
- 790 - 43 + 54 (790 + 43) - 54 >
- 58 × 2 - 49 (58 × 49) - 2 <
- 83 × 5 - 78 (83 × 78) - 5 <
- 620 ÷ 31 + 10 (620 ÷ 31) - 10 >
- 91 × 8 + 88 (91 × 88) + 8 <
- 899 - 39 + 35 (899 + 39) - 35 <
- 68 + 10 - 30 68 - 10 + 30 <
- 883 + 10 - 26 883 - 10 + 26 <
- 90 × 9 + 98 (90 × 98) + 9 <
- 30 × 7 + 77 (30 × 77) + 7 <
- 63 × 3 + 91 (63 × 91) + 3 <
- 53 × 8 - 57 (53 × 57) - 8 <
- 91 × 7 + 49 (91 × 49) + 7 <
- 435 + 10 - 33 435 - 10 + 33 <
- 999 - 52 + 45 (999 + 52) - 45 <
- 988 ÷ 26 + 19 (988 ÷ 26) - 19 >
- 80 × 3 + 26 (80 × 26) + 3 <
- 462 + 10 - 63 462 - 10 + 63 <
- 90 × 8 + 72 (90 × 72) + 8 <
- 720 ÷ 40 - 9 (720 ÷ 40) + 9 <
- 266 ÷ 19 - 2 (266 ÷ 19) + 2 <
- 302 - 47 + 49 (302 + 47) - 49 >
- 586 + 10 - 46 586 - 10 + 46 <
- 24 × 6 + 56 (24 × 56) + 6 <
- 478 - 71 + 37 (478 + 71) - 37 <
- 624 ÷ 26 + 24 (624 ÷ 26) - 24 >
- 76 × 4 + 38 (76 × 38) + 4 <
- 138 + 10 - 26 138 - 10 + 26 <
- 148 + 10 - 28 148 - 10 + 28 <
- 234 ÷ 18 - 6 (234 ÷ 18) + 6 <
- 854 ÷ 61 - 1 (854 ÷ 61) + 1 <
- 90 × 2 - 42 (90 × 42) - 2 <
- 414 ÷ 23 + 18 (414 ÷ 23) - 18 >
- 834 + 10 - 41 834 - 10 + 41 <
- 76 × 8 - 97 (76 × 97) - 8 <
- 840 ÷ 60 + 14 (840 ÷ 60) - 14 >
- 616 ÷ 11 + 28 (616 ÷ 11) - 28 >
- 750 ÷ 15 - 3 (750 ÷ 15) + 3 <
- 635 - 79 + 40 (635 + 79) - 40 <
- 700 ÷ 25 + 25 (700 ÷ 25) - 25 >
- 43 × 5 + 11 (43 × 11) + 5 <
- 202 - 18 + 11 (202 + 18) - 11 <
- 520 + 10 - 86 520 - 10 + 86 <
- 21 × 5 + 23 (21 × 23) + 5 <
- 792 ÷ 24 + 18 (792 ÷ 24) - 18 >
- 312 ÷ 26 - 2 (312 ÷ 26) + 2 <
- 56 × 1 + 77 (56 × 77) + 1 <
- 836 ÷ 22 - 11 (836 ÷ 22) + 11 <
- 104 + 10 - 21 104 - 10 + 21 <
- 814 - 85 + 49 (814 + 85) - 49 <
- 879 - 78 + 86 (879 + 78) - 86 >
- 470 ÷ 47 + 10 (470 ÷ 47) - 10 >
- 969 - 14 + 72 (969 + 14) - 72 >
- 660 ÷ 15 + 22 (660 ÷ 15) - 22 >
- 969 + 10 - 95 969 - 10 + 95 <
- 85 × 3 + 37 (85 × 37) + 3 <
- 813 + 10 - 38 813 - 10 + 38 <
- 924 ÷ 42 - 21 (924 ÷ 42) + 21 <
- 622 + 10 - 31 622 - 10 + 31 <
- 79 × 1 + 39 (79 × 39) + 1 <
- 69 × 5 - 29 (69 × 29) - 5 <
- 976 ÷ 61 + 16 (976 ÷ 61) - 16 >
- 564 ÷ 94 - 1 (564 ÷ 94) + 1 <
- 330 ÷ 10 + 10 (330 ÷ 10) - 10 >
- 29 × 4 + 78 (29 × 78) + 4 <
- 89 × 8 + 97 (89 × 97) + 8 <
- 87 × 7 + 46 (87 × 46) + 7 <
- 913 - 42 + 40 (913 + 42) - 40 <
- 756 ÷ 18 - 36 (756 ÷ 18) + 36 <
- 530 + 10 - 99 530 - 10 + 99 <
- 888 ÷ 12 - 4 (888 ÷ 12) + 4 <
- 560 ÷ 28 + 16 (560 ÷ 28) - 16 >
- 74 × 2 + 73 (74 × 73) + 2 <
- 560 + 10 - 35 560 - 10 + 35 <
- 44 × 4 - 70 (44 × 70) - 4 <
- 36 + 10 - 19 36 - 10 + 19 <
- 82 + 10 - 69 82 - 10 + 69 <
- 420 ÷ 12 + 20 (420 ÷ 12) - 20 >
- 122 + 10 - 84 122 - 10 + 84 <
- 59 × 6 - 3 (59 × 3) - 6 >
- 660 ÷ 11 + 30 (660 ÷ 11) - 30 >
- 99 × 5 - 53 (99 × 53) - 5 <
- 464 ÷ 16 + 29 (464 ÷ 16) - 29 >
- 110 ÷ 11 + 10 (110 ÷ 11) - 10 >
- 31 × 6 + 84 (31 × 84) + 6 <
- 560 ÷ 20 - 7 (560 ÷ 20) + 7 <
- 52 × 8 + 62 (52 × 62) + 8 <
- 929 - 15 + 57 (929 + 15) - 57 >
- 810 ÷ 30 - 18 (810 ÷ 30) + 18 <
- 920 ÷ 10 + 46 (920 ÷ 10) - 46 >
- 13 × 8 + 33 (13 × 33) + 8 <
- 470 + 10 - 34 470 - 10 + 34 <
- 766 + 10 - 96 766 - 10 + 96 <
- 700 ÷ 20 - 35 (700 ÷ 20) + 35 <
- 56 - 27 + 66 (56 + 27) - 66 >
- 840 ÷ 12 - 60 (840 ÷ 12) + 60 <
- 36 - 67 + 83 (36 + 67) - 83 >
- 500 ÷ 10 + 25 (500 ÷ 10) - 25 >
- 598 ÷ 23 + 26 (598 ÷ 23) - 26 >
- 899 - 42 + 27 (899 + 42) - 27 <
※总分：100分， 共计：380道题， 每题：0.26 分。