- 耗时： 0分0秒
- 题数：
- 得分：
- 59 × 5 + 67 (59 × 67) + 5 <
- 628 - 62 + 62 (628 + 62) - 62 =
- 602 ÷ 43 - 14 (602 ÷ 43) + 14 <
- 551 ÷ 19 - 29 (551 ÷ 19) + 29 <
- 26 × 9 + 56 (26 × 56) + 9 <
- 374 + 10 - 77 374 - 10 + 77 <
- 920 ÷ 10 + 10 (920 ÷ 10) - 10 >
- 896 ÷ 14 + 14 (896 ÷ 14) - 14 >
- 630 ÷ 90 - 5 (630 ÷ 90) + 5 <
- 759 + 10 - 23 759 - 10 + 23 <
- 30 × 4 + 96 (30 × 96) + 4 <
- 78 × 5 - 82 (78 × 82) - 5 <
- 455 ÷ 13 - 5 (455 ÷ 13) + 5 <
- 924 ÷ 11 - 6 (924 ÷ 11) + 6 <
- 735 - 13 + 67 (735 + 13) - 67 >
- 884 ÷ 13 + 26 (884 ÷ 13) - 26 >
- 294 ÷ 14 - 7 (294 ÷ 14) + 7 <
- 864 + 10 - 72 864 - 10 + 72 <
- 590 ÷ 59 + 10 (590 ÷ 59) - 10 >
- 33 × 1 + 97 (33 × 97) + 1 <
- 850 ÷ 10 - 1 (850 ÷ 10) + 1 <
- 620 - 92 + 24 (620 + 92) - 24 <
- 92 + 10 - 98 92 - 10 + 98 <
- 47 × 8 + 82 (47 × 82) + 8 <
- 36 × 8 - 26 (36 × 26) - 8 <
- 237 + 10 - 19 237 - 10 + 19 <
- 928 + 10 - 75 928 - 10 + 75 <
- 588 ÷ 21 - 6 (588 ÷ 21) + 6 <
- 80 + 10 - 84 80 - 10 + 84 <
- 368 ÷ 16 - 23 (368 ÷ 16) + 23 <
- 224 + 10 - 57 224 - 10 + 57 <
- 273 - 96 + 15 (273 + 96) - 15 <
- 672 ÷ 42 + 16 (672 ÷ 42) - 16 >
- 98 × 6 + 67 (98 × 67) + 6 <
- 332 - 42 + 28 (332 + 42) - 28 <
- 130 + 10 - 65 130 - 10 + 65 <
- 780 ÷ 15 - 5 (780 ÷ 15) + 5 <
- 900 ÷ 18 + 20 (900 ÷ 18) - 20 >
- 364 ÷ 26 - 7 (364 ÷ 26) + 7 <
- 76 × 1 - 67 (76 × 67) - 1 <
- 38 × 6 + 22 (38 × 22) + 6 <
- 624 + 10 - 87 624 - 10 + 87 <
- 847 + 10 - 51 847 - 10 + 51 <
- 820 - 43 + 17 (820 + 43) - 17 <
- 508 - 96 + 62 (508 + 96) - 62 <
- 68 × 7 - 70 (68 × 70) - 7 <
- 170 + 10 - 39 170 - 10 + 39 <
- 360 ÷ 30 + 10 (360 ÷ 30) - 10 >
- 370 ÷ 10 - 5 (370 ÷ 10) + 5 <
- 32 × 1 + 31 (32 × 31) + 1 <
- 480 ÷ 16 + 24 (480 ÷ 16) - 24 >
- 65 × 2 + 17 (65 × 17) + 2 <
- 141 + 10 - 96 141 - 10 + 96 <
- 509 - 83 + 73 (509 + 83) - 73 <
- 684 ÷ 12 - 38 (684 ÷ 12) + 38 <
- 225 - 93 + 12 (225 + 93) - 12 <
- 995 + 10 - 79 995 - 10 + 79 <
- 678 - 65 + 69 (678 + 65) - 69 >
- 280 ÷ 14 + 20 (280 ÷ 14) - 20 >
- 936 ÷ 13 + 13 (936 ÷ 13) - 13 >
- 936 ÷ 36 - 3 (936 ÷ 36) + 3 <
- 331 + 10 - 69 331 - 10 + 69 <
- 637 - 27 + 67 (637 + 27) - 67 >
- 16 × 4 + 82 (16 × 82) + 4 <
- 936 ÷ 24 + 13 (936 ÷ 24) - 13 >
- 960 ÷ 10 - 16 (960 ÷ 10) + 16 <
- 812 - 43 + 21 (812 + 43) - 21 <
- 30 + 10 - 14 30 - 10 + 14 <
- 608 ÷ 16 + 38 (608 ÷ 16) - 38 >
- 280 ÷ 40 - 2 (280 ÷ 40) + 2 <
- 300 - 50 + 52 (300 + 50) - 52 >
- 324 - 35 + 63 (324 + 35) - 63 >
- 986 ÷ 58 + 17 (986 ÷ 58) - 17 >
- 93 × 6 - 56 (93 × 56) - 6 <
- 864 ÷ 27 + 18 (864 ÷ 27) - 18 >
- 295 + 10 - 28 295 - 10 + 28 <
- 946 + 10 - 48 946 - 10 + 48 <
- 32 × 6 + 72 (32 × 72) + 6 <
- 799 - 65 + 11 (799 + 65) - 11 <
- 479 - 31 + 39 (479 + 31) - 39 >
- 754 + 10 - 50 754 - 10 + 50 <
- 84 × 4 - 25 (84 × 25) - 4 <
- 598 - 45 + 80 (598 + 45) - 80 >
- 94 × 2 - 86 (94 × 86) - 2 <
- 66 × 1 + 64 (66 × 64) + 1 <
- 142 + 10 - 81 142 - 10 + 81 <
- 765 ÷ 17 + 45 (765 ÷ 17) - 45 >
- 895 - 98 + 43 (895 + 98) - 43 <
- 855 ÷ 19 - 5 (855 ÷ 19) + 5 <
- 972 ÷ 12 - 9 (972 ÷ 12) + 9 <
- 84 × 1 - 28 (84 × 28) - 1 <
- 367 + 10 - 63 367 - 10 + 63 <
- 837 + 10 - 31 837 - 10 + 31 <
- 840 ÷ 84 - 1 (840 ÷ 84) + 1 <
- 87 × 1 + 40 (87 × 40) + 1 <
- 64 × 3 + 90 (64 × 90) + 3 <
- 657 - 76 + 17 (657 + 76) - 17 <
- 56 × 3 + 90 (56 × 90) + 3 <
- 196 ÷ 14 - 7 (196 ÷ 14) + 7 <
- 907 + 10 - 59 907 - 10 + 59 <
- 999 - 75 + 67 (999 + 75) - 67 <
- 49 × 8 - 92 (49 × 92) - 8 <
- 510 ÷ 17 - 17 (510 ÷ 17) + 17 <
- 511 - 50 + 61 (511 + 50) - 61 >
- 158 - 82 + 66 (158 + 82) - 66 <
- 462 ÷ 22 - 6 (462 ÷ 22) + 6 <
- 377 + 10 - 24 377 - 10 + 24 <
- 39 × 7 - 32 (39 × 32) - 7 <
- 960 ÷ 10 + 64 (960 ÷ 10) - 64 >
- 30 × 2 + 29 (30 × 29) + 2 <
- 99 × 6 + 24 (99 × 24) + 6 <
- 985 - 68 + 17 (985 + 68) - 17 <
- 741 ÷ 39 + 13 (741 ÷ 39) - 13 >
- 953 + 10 - 20 953 - 10 + 20 <
- 47 × 3 - 88 (47 × 88) - 3 <
- 800 ÷ 25 + 16 (800 ÷ 25) - 16 >
- 868 ÷ 14 + 14 (868 ÷ 14) - 14 >
- 745 + 10 - 13 745 - 10 + 13 <
- 59 × 5 - 75 (59 × 75) - 5 <
- 343 + 10 - 58 343 - 10 + 58 <
- 45 × 2 + 78 (45 × 78) + 2 <
- 99 × 6 - 92 (99 × 92) - 6 <
- 461 - 96 + 93 (461 + 96) - 93 <
- 603 + 10 - 61 603 - 10 + 61 <
- 59 + 10 - 40 59 - 10 + 40 <
- 406 ÷ 14 - 7 (406 ÷ 14) + 7 <
- 52 × 7 - 11 (52 × 11) - 7 <
- 752 ÷ 16 + 47 (752 ÷ 16) - 47 >
- 722 ÷ 38 + 19 (722 ÷ 38) - 19 >
- 725 + 10 - 38 725 - 10 + 38 <
- 27 × 9 - 9 (27 × 9) - 9 =
- 67 × 4 + 12 (67 × 12) + 4 <
- 61 × 2 - 17 (61 × 17) - 2 <
- 25 × 9 + 55 (25 × 55) + 9 <
- 181 - 80 + 53 (181 + 80) - 53 <
- 28 × 4 - 60 (28 × 60) - 4 <
- 912 ÷ 16 + 48 (912 ÷ 16) - 48 >
- 31 × 4 + 72 (31 × 72) + 4 <
- 654 - 96 + 30 (654 + 96) - 30 <
- 492 ÷ 82 - 3 (492 ÷ 82) + 3 <
- 948 + 10 - 70 948 - 10 + 70 <
- 782 + 10 - 47 782 - 10 + 47 <
- 858 + 10 - 85 858 - 10 + 85 <
- 58 × 5 - 79 (58 × 79) - 5 <
- 864 ÷ 32 + 16 (864 ÷ 32) - 16 >
- 232 - 20 + 79 (232 + 20) - 79 >
- 46 × 6 + 28 (46 × 28) + 6 <
- 57 × 9 - 93 (57 × 93) - 9 <
- 759 ÷ 69 - 11 (759 ÷ 69) + 11 <
- 29 × 4 - 29 (29 × 29) - 4 <
- 60 × 7 - 99 (60 × 99) - 7 <
- 717 + 10 - 63 717 - 10 + 63 <
- 149 + 10 - 89 149 - 10 + 89 <
- 645 ÷ 15 - 5 (645 ÷ 15) + 5 <
- 760 ÷ 19 + 20 (760 ÷ 19) - 20 >
- 51 × 8 + 63 (51 × 63) + 8 <
- 19 × 8 - 75 (19 × 75) - 8 <
- 95 × 2 - 41 (95 × 41) - 2 <
- 54 × 2 - 1 (54 × 1) - 2 >
- 713 ÷ 23 + 31 (713 ÷ 23) - 31 >
- 74 × 9 + 41 (74 × 41) + 9 <
- 675 ÷ 75 - 5 (675 ÷ 75) + 5 <
- 798 ÷ 21 + 19 (798 ÷ 21) - 19 >
- 67 × 7 + 42 (67 × 42) + 7 <
- 209 + 10 - 72 209 - 10 + 72 <
- 450 ÷ 15 + 18 (450 ÷ 15) - 18 >
- 96 - 21 + 83 (96 + 21) - 83 >
- 195 - 94 + 77 (195 + 94) - 77 <
- 74 - 71 + 88 (74 + 71) - 88 >
- 67 × 7 + 25 (67 × 25) + 7 <
- 630 ÷ 35 - 10 (630 ÷ 35) + 10 <
- 615 ÷ 41 - 3 (615 ÷ 41) + 3 <
- 31 × 7 - 31 (31 × 31) - 7 <
- 645 ÷ 15 + 43 (645 ÷ 15) - 43 >
- 340 ÷ 17 - 2 (340 ÷ 17) + 2 <
- 106 - 84 + 95 (106 + 84) - 95 >
- 528 - 91 + 16 (528 + 91) - 16 <
- 83 × 3 - 52 (83 × 52) - 3 <
- 480 ÷ 10 - 48 (480 ÷ 10) + 48 <
- 992 ÷ 16 - 32 (992 ÷ 16) + 32 <
- 528 ÷ 11 - 4 (528 ÷ 11) + 4 <
- 780 ÷ 12 + 20 (780 ÷ 12) - 20 >
- 659 + 10 - 72 659 - 10 + 72 <
- 705 ÷ 15 + 15 (705 ÷ 15) - 15 >
- 421 + 10 - 24 421 - 10 + 24 <
- 76 × 7 + 75 (76 × 75) + 7 <
- 62 × 7 + 40 (62 × 40) + 7 <
- 975 ÷ 25 + 25 (975 ÷ 25) - 25 >
- 58 × 1 + 84 (58 × 84) + 1 <
- 928 + 10 - 81 928 - 10 + 81 <
- 219 + 10 - 49 219 - 10 + 49 <
- 428 - 89 + 51 (428 + 89) - 51 <
- 938 + 10 - 32 938 - 10 + 32 <
- 80 × 4 + 42 (80 × 42) + 4 <
- 65 × 9 - 22 (65 × 22) - 9 <
- 507 + 10 - 47 507 - 10 + 47 <
- 984 ÷ 41 + 12 (984 ÷ 41) - 12 >
- 234 ÷ 13 + 18 (234 ÷ 13) - 18 >
- 861 ÷ 41 + 21 (861 ÷ 41) - 21 >
- 37 × 7 - 2 (37 × 2) - 7 >
- 810 ÷ 81 - 5 (810 ÷ 81) + 5 <
- 190 + 10 - 47 190 - 10 + 47 <
- 528 ÷ 11 + 22 (528 ÷ 11) - 22 >
- 610 + 10 - 46 610 - 10 + 46 <
- 225 - 91 + 33 (225 + 91) - 33 <
- 927 - 39 + 58 (927 + 39) - 58 >
- 850 ÷ 34 + 25 (850 ÷ 34) - 25 >
- 912 ÷ 48 - 1 (912 ÷ 48) + 1 <
- 315 ÷ 21 - 5 (315 ÷ 21) + 5 <
- 532 ÷ 76 - 2 (532 ÷ 76) + 2 <
- 42 × 8 + 69 (42 × 69) + 8 <
- 600 ÷ 30 - 12 (600 ÷ 30) + 12 <
- 31 × 1 - 14 (31 × 14) - 1 <
- 77 × 6 - 23 (77 × 23) - 6 <
- 44 × 4 + 25 (44 × 25) + 4 <
- 73 × 5 - 70 (73 × 70) - 5 <
- 165 + 10 - 78 165 - 10 + 78 <
- 974 + 10 - 66 974 - 10 + 66 <
- 295 - 38 + 52 (295 + 38) - 52 >
- 892 + 10 - 12 892 - 10 + 12 <
- 61 × 4 + 38 (61 × 38) + 4 <
- 29 × 5 - 69 (29 × 69) - 5 <
- 714 ÷ 21 + 17 (714 ÷ 21) - 17 >
- 68 × 3 + 63 (68 × 63) + 3 <
- 70 × 3 + 32 (70 × 32) + 3 <
- 310 ÷ 10 - 1 (310 ÷ 10) + 1 <
- 747 ÷ 83 - 3 (747 ÷ 83) + 3 <
- 66 × 3 + 76 (66 × 76) + 3 <
- 784 ÷ 49 - 2 (784 ÷ 49) + 2 <
- 86 × 4 - 49 (86 × 49) - 4 <
- 886 + 10 - 39 886 - 10 + 39 <
- 891 ÷ 27 + 33 (891 ÷ 27) - 33 >
- 936 ÷ 13 + 18 (936 ÷ 13) - 18 >
- 24 × 7 - 73 (24 × 73) - 7 <
- 802 + 10 - 34 802 - 10 + 34 <
- 887 + 10 - 66 887 - 10 + 66 <
- 430 + 10 - 81 430 - 10 + 81 <
- 626 + 10 - 57 626 - 10 + 57 <
- 361 - 32 + 91 (361 + 32) - 91 >
- 354 - 80 + 19 (354 + 80) - 19 <
- 450 ÷ 30 + 10 (450 ÷ 30) - 10 >
- 489 - 38 + 63 (489 + 38) - 63 >
- 540 ÷ 20 + 20 (540 ÷ 20) - 20 >
- 911 - 47 + 34 (911 + 47) - 34 <
- 936 ÷ 18 + 24 (936 ÷ 18) - 24 >
- 78 × 7 - 63 (78 × 63) - 7 <
- 79 × 9 - 85 (79 × 85) - 9 <
- 884 ÷ 13 + 68 (884 ÷ 13) - 68 >
- 684 ÷ 12 + 19 (684 ÷ 12) - 19 >
- 523 - 44 + 46 (523 + 44) - 46 >
- 704 ÷ 88 - 1 (704 ÷ 88) + 1 <
- 54 × 6 - 53 (54 × 53) - 6 <
- 25 × 6 - 53 (25 × 53) - 6 <
- 95 × 8 + 15 (95 × 15) + 8 <
- 780 ÷ 20 - 3 (780 ÷ 20) + 3 <
- 18 × 9 - 24 (18 × 24) - 9 <
- 918 ÷ 17 - 51 (918 ÷ 17) + 51 <
- 969 ÷ 17 - 19 (969 ÷ 17) + 19 <
- 91 × 5 - 14 (91 × 14) - 5 <
- 550 ÷ 10 - 50 (550 ÷ 10) + 50 <
- 965 + 10 - 21 965 - 10 + 21 <
- 704 + 10 - 34 704 - 10 + 34 <
- 398 + 10 - 52 398 - 10 + 52 <
- 900 ÷ 45 + 15 (900 ÷ 45) - 15 >
- 844 + 10 - 18 844 - 10 + 18 <
- 127 - 97 + 49 (127 + 97) - 49 <
- 55 × 2 - 31 (55 × 31) - 2 <
- 416 ÷ 26 + 13 (416 ÷ 26) - 13 >
- 264 ÷ 22 - 2 (264 ÷ 22) + 2 <
- 32 × 4 + 70 (32 × 70) + 4 <
- 66 × 3 - 90 (66 × 90) - 3 <
- 558 ÷ 93 - 1 (558 ÷ 93) + 1 <
- 306 ÷ 18 - 3 (306 ÷ 18) + 3 <
- 226 + 10 - 48 226 - 10 + 48 <
- 67 × 3 + 78 (67 × 78) + 3 <
- 330 ÷ 15 - 6 (330 ÷ 15) + 6 <
- 86 × 1 - 67 (86 × 67) - 1 <
- 28 × 3 + 57 (28 × 57) + 3 <
- 20 × 7 + 65 (20 × 65) + 7 <
- 979 + 10 - 90 979 - 10 + 90 <
- 73 × 2 + 64 (73 × 64) + 2 <
- 880 ÷ 40 - 20 (880 ÷ 40) + 20 <
- 930 ÷ 93 - 3 (930 ÷ 93) + 3 <
- 174 + 10 - 52 174 - 10 + 52 <
- 52 × 5 + 84 (52 × 84) + 5 <
- 920 ÷ 10 + 23 (920 ÷ 10) - 23 >
- 410 - 34 + 31 (410 + 34) - 31 <
- 707 - 47 + 12 (707 + 47) - 12 <
- 80 × 1 + 55 (80 × 55) + 1 <
- 874 + 10 - 39 874 - 10 + 39 <
- 918 ÷ 54 - 9 (918 ÷ 54) + 9 <
- 432 ÷ 48 - 4 (432 ÷ 48) + 4 <
- 864 ÷ 18 - 3 (864 ÷ 18) + 3 <
- 576 ÷ 16 - 12 (576 ÷ 16) + 12 <
- 40 - 76 + 59 (40 + 76) - 59 <
- 41 × 4 - 59 (41 × 59) - 4 <
- 61 × 6 + 75 (61 × 75) + 6 <
- 208 ÷ 52 - 4 (208 ÷ 52) + 4 <
- 495 ÷ 45 - 11 (495 ÷ 45) + 11 <
- 535 - 92 + 92 (535 + 92) - 92 =
- 66 × 7 + 20 (66 × 20) + 7 <
- 804 ÷ 67 - 6 (804 ÷ 67) + 6 <
- 560 ÷ 20 - 1 (560 ÷ 20) + 1 <
- 462 - 47 + 38 (462 + 47) - 38 <
- 533 - 11 + 49 (533 + 11) - 49 >
- 13 × 4 - 26 (13 × 26) - 4 <
- 50 × 4 + 56 (50 × 56) + 4 <
- 37 × 7 + 41 (37 × 41) + 7 <
- 78 × 7 + 55 (78 × 55) + 7 <
- 348 ÷ 87 - 2 (348 ÷ 87) + 2 <
- 47 × 9 - 70 (47 × 70) - 9 <
- 83 × 1 - 72 (83 × 72) - 1 <
- 53 × 4 - 45 (53 × 45) - 4 <
- 41 × 9 + 11 (41 × 11) + 9 <
- 70 × 8 + 38 (70 × 38) + 8 <
- 207 + 10 - 48 207 - 10 + 48 <
- 510 ÷ 51 - 1 (510 ÷ 51) + 1 <
- 429 ÷ 13 + 13 (429 ÷ 13) - 13 >
- 78 × 2 + 54 (78 × 54) + 2 <
- 159 + 10 - 67 159 - 10 + 67 <
- 20 - 41 + 27 (20 + 41) - 27 <
- 528 - 46 + 57 (528 + 46) - 57 >
- 343 - 50 + 49 (343 + 50) - 49 <
- 600 ÷ 50 - 8 (600 ÷ 50) + 8 <
- 576 ÷ 32 - 12 (576 ÷ 32) + 12 <
- 924 ÷ 11 - 7 (924 ÷ 11) + 7 <
- 603 + 10 - 33 603 - 10 + 33 <
- 56 + 10 - 52 56 - 10 + 52 <
- 18 × 1 - 14 (18 × 14) - 1 <
- 320 ÷ 64 - 5 (320 ÷ 64) + 5 <
- 420 ÷ 35 + 10 (420 ÷ 35) - 10 >
- 520 ÷ 40 - 5 (520 ÷ 40) + 5 <
- 13 × 7 + 22 (13 × 22) + 7 <
- 76 × 7 - 29 (76 × 29) - 7 <
- 243 - 11 + 11 (243 + 11) - 11 =
- 212 + 10 - 29 212 - 10 + 29 <
- 24 × 9 - 39 (24 × 39) - 9 <
- 94 × 6 + 35 (94 × 35) + 6 <
- 316 - 67 + 76 (316 + 67) - 76 >
- 504 ÷ 12 + 21 (504 ÷ 12) - 21 >
- 55 × 8 + 22 (55 × 22) + 8 <
- 677 - 87 + 60 (677 + 87) - 60 <
- 480 ÷ 10 + 32 (480 ÷ 10) - 32 >
- 469 + 10 - 13 469 - 10 + 13 <
- 64 × 9 + 20 (64 × 20) + 9 <
- 888 ÷ 12 - 6 (888 ÷ 12) + 6 <
- 480 ÷ 30 + 16 (480 ÷ 30) - 16 >
- 537 + 10 - 67 537 - 10 + 67 <
- 89 × 9 + 39 (89 × 39) + 9 <
- 556 - 91 + 10 (556 + 91) - 10 <
- 178 - 48 + 62 (178 + 48) - 62 >
- 948 ÷ 79 - 12 (948 ÷ 79) + 12 <
- 566 - 52 + 77 (566 + 52) - 77 >
- 58 × 9 - 81 (58 × 81) - 9 <
- 64 × 5 - 45 (64 × 45) - 5 <
- 28 × 1 - 6 (28 × 6) - 1 <
- 19 × 7 - 92 (19 × 92) - 7 <
- 108 ÷ 54 - 2 (108 ÷ 54) + 2 <
- 788 - 45 + 91 (788 + 45) - 91 >
- 35 × 1 + 80 (35 × 80) + 1 <
- 400 ÷ 20 + 10 (400 ÷ 20) - 10 >
- 46 × 3 - 66 (46 × 66) - 3 <
- 452 - 36 + 23 (452 + 36) - 23 <
- 933 + 10 - 74 933 - 10 + 74 <
- 406 + 10 - 30 406 - 10 + 30 <
- 281 - 45 + 61 (281 + 45) - 61 >
- 721 - 86 + 58 (721 + 86) - 58 <
- 67 × 8 + 73 (67 × 73) + 8 <
- 62 × 3 + 34 (62 × 34) + 3 <
- 15 × 4 + 12 (15 × 12) + 4 <
- 91 × 6 + 78 (91 × 78) + 6 <
- 684 + 10 - 48 684 - 10 + 48 <
- 320 + 10 - 42 320 - 10 + 42 <
- 972 ÷ 12 + 54 (972 ÷ 12) - 54 >
- 85 × 3 + 31 (85 × 31) + 3 <
- 918 ÷ 27 + 18 (918 ÷ 27) - 18 >
- 20 × 7 - 72 (20 × 72) - 7 <
- 38 × 9 + 27 (38 × 27) + 9 <
- 360 ÷ 24 - 15 (360 ÷ 24) + 15 <
- 53 × 6 + 87 (53 × 87) + 6 <
- 216 - 49 + 68 (216 + 49) - 68 >
- 581 + 10 - 21 581 - 10 + 21 <
- 227 - 66 + 50 (227 + 66) - 50 <
- 216 ÷ 12 - 9 (216 ÷ 12) + 9 <
- 504 ÷ 12 + 36 (504 ÷ 12) - 36 >
- 171 - 92 + 75 (171 + 92) - 75 <
- 575 - 15 + 62 (575 + 15) - 62 >
- 719 + 10 - 92 719 - 10 + 92 <
- 558 ÷ 18 - 6 (558 ÷ 18) + 6 <
- 252 ÷ 42 - 3 (252 ÷ 42) + 3 <
- 497 - 26 + 27 (497 + 26) - 27 >
- 69 × 2 + 36 (69 × 36) + 2 <
- 99 × 2 - 66 (99 × 66) - 2 <
- 636 + 10 - 59 636 - 10 + 59 <
- 34 - 21 + 49 (34 + 21) - 49 >
- 832 ÷ 13 - 8 (832 ÷ 13) + 8 <
- 756 ÷ 42 + 14 (756 ÷ 42) - 14 >
- 91 × 6 + 51 (91 × 51) + 6 <
- 950 + 10 - 86 950 - 10 + 86 <
- 52 × 3 - 82 (52 × 82) - 3 <
※总分：100分， 共计：400道题， 每题：0.25 分。