- 耗时： 0分0秒
- 题数：
- 得分：
- 930 ÷ 30 + 31 (616 ÷ 11) - 14 >
- 73 × 1 + 92 (59 × 42) + 8 <
- 67 × 2 + 77 (39 × 37) + 7 <
- 936 + 10 - 75 95 - 90 + 49 >
- 833 ÷ 17 + 49 (671 ÷ 11) - 11 >
- 33 × 9 - 14 (99 × 5) - 7 <
- 99 × 6 + 61 (20 × 61) + 1 <
- 19 × 8 - 38 (18 × 28) - 2 <
- 594 ÷ 27 + 22 (702 ÷ 26) - 27 >
- 64 × 4 - 17 (53 × 59) - 9 <
- 803 + 10 - 18 90 - 25 + 66 >
- 95 × 6 + 33 (19 × 81) + 4 <
- 868 ÷ 28 + 14 (680 ÷ 10) - 10 <
- 348 + 10 - 51 81 - 42 + 61 >
- 90 × 2 + 84 (32 × 52) + 4 <
- 52 × 8 + 20 (32 × 36) + 3 <
- 79 + 10 - 11 57 - 50 + 21 >
- 49 × 5 - 16 (25 × 32) - 8 <
- 236 + 10 - 33 51 - 66 + 57 >
- 828 ÷ 69 + 12 (528 ÷ 22) - 24 >
- 435 ÷ 15 - 3 (648 ÷ 18) + 8 <
- 38 × 8 + 14 (53 × 20) + 6 <
- 390 ÷ 13 - 3 (528 ÷ 16) + 3 <
- 768 + 10 - 75 80 - 30 + 76 >
- 753 - 69 + 20 (582 + 34) - 38 >
- 265 + 10 - 13 67 - 34 + 82 >
- 749 + 10 - 76 10 - 30 + 26 >
- 79 × 9 - 86 (85 × 93) - 1 <
- 94 × 2 + 42 (57 × 37) + 2 <
- 816 ÷ 48 + 17 (780 ÷ 26) - 15 >
- 616 ÷ 28 - 8 (140 ÷ 35) + 2 >
- 675 ÷ 25 + 25 (336 ÷ 14) - 16 >
- 900 ÷ 18 + 15 (840 ÷ 12) - 21 >
- 61 × 4 - 56 (44 × 39) - 2 <
- 32 × 6 + 79 (19 × 45) + 2 <
- 79 × 2 - 75 (70 × 70) - 5 <
- 36 × 7 + 88 (61 × 67) + 6 <
- 87 × 3 + 63 (27 × 68) + 9 <
- 769 - 72 + 90 (530 + 57) - 26 >
- 912 - 96 + 15 (99 + 15) - 71 >
- 96 × 2 + 28 (52 × 34) + 4 <
- 22 × 7 - 86 (75 × 60) - 9 <
- 495 ÷ 33 + 11 (637 ÷ 13) - 49 >
- 522 + 10 - 69 75 - 55 + 81 >
- 31 × 9 + 66 (47 × 47) + 1 <
- 39 × 5 + 90 (42 × 85) + 7 <
- 78 × 3 - 9 (96 × 1) - 5 >
- 637 ÷ 49 - 1 (624 ÷ 48) + 1 <
- 529 - 12 + 32 (593 + 43) - 39 <
- 767 - 33 + 23 (834 + 30) - 51 <
- 968 + 10 - 16 81 - 37 + 83 >
- 952 ÷ 34 + 28 (342 ÷ 19) - 18 >
- 660 ÷ 20 + 22 (462 ÷ 21) - 21 >
- 915 ÷ 15 + 15 (450 ÷ 18) - 25 >
- 93 × 6 + 15 (13 × 53) + 1 <
- 94 × 3 + 61 (77 × 34) + 4 <
- 21 × 6 + 95 (21 × 92) + 2 <
- 52 × 5 + 68 (25 × 71) + 3 <
- 44 × 5 + 46 (75 × 28) + 8 <
- 336 ÷ 12 - 2 (611 ÷ 13) + 47 <
- 949 ÷ 13 + 13 (741 ÷ 39) - 19 >
- 13 × 6 + 58 (22 × 16) + 7 <
- 15 × 9 - 66 (69 × 74) - 5 <
- 520 ÷ 20 + 20 (400 ÷ 10) - 20 >
- 421 + 10 - 16 41 - 65 + 68 >
- 480 ÷ 12 - 4 (260 ÷ 13) + 13 >
- 11 × 7 + 33 (39 × 43) + 1 <
- 720 ÷ 10 - 4 (250 ÷ 10) + 25 >
- 953 - 82 + 49 (496 + 38) - 11 >
- 27 × 6 + 58 (66 × 17) + 5 <
- 285 - 24 + 83 (519 + 75) - 18 <
- 79 + 10 - 67 77 - 58 + 21 <
- 185 - 13 + 42 (194 + 18) - 86 >
- 819 ÷ 39 - 3 (210 ÷ 10) + 21 <
- 38 × 3 + 69 (22 × 99) + 1 <
- 17 × 5 - 85 (44 × 83) - 5 <
- 854 ÷ 61 + 14 (600 ÷ 50) - 10 >
- 792 ÷ 72 - 6 (180 ÷ 20) + 5 <
- 85 × 2 + 31 (57 × 30) + 9 <
- 869 + 10 - 88 54 - 76 + 96 >
- 862 + 10 - 14 29 - 76 + 48 >
- 12 × 8 + 48 (89 × 32) + 3 <
- 40 × 2 + 94 (14 × 59) + 4 <
- 950 ÷ 19 - 2 (935 ÷ 55) + 5 >
- 67 × 6 - 18 (30 × 20) - 5 <
- 29 × 4 - 46 (37 × 13) - 8 <
- 92 × 9 - 84 (56 × 2) - 7 >
- 73 × 4 - 87 (82 × 36) - 1 <
- 440 ÷ 10 + 10 (990 ÷ 11) - 33 <
- 67 × 6 - 94 (94 × 17) - 8 <
- 286 ÷ 11 + 11 (646 ÷ 19) - 19 >
- 163 - 89 + 98 (99 + 68) - 77 >
- 540 ÷ 12 - 45 (546 ÷ 42) + 6 <
- 84 × 7 + 42 (87 × 17) + 6 <
- 59 × 8 + 71 (19 × 95) + 2 <
- 67 × 4 + 66 (78 × 74) + 1 <
- 900 ÷ 36 + 18 (228 ÷ 12) - 12 >
- 50 × 5 - 19 (27 × 79) - 9 <
- 720 ÷ 48 - 6 (576 ÷ 48) + 6 <
- 24 × 1 + 45 (72 × 77) + 3 <
- 917 - 65 + 59 (569 + 40) - 42 >
- 68 × 9 + 79 (86 × 66) + 7 <
- 80 × 2 - 34 (91 × 9) - 8 <
- 821 + 10 - 44 77 - 63 + 56 >
- 35 × 9 - 6 (27 × 20) - 4 <
- 395 - 16 + 70 (826 + 75) - 81 <
- 308 - 16 + 69 (222 + 88) - 70 >
- 858 ÷ 33 - 2 (210 ÷ 70) + 1 >
- 520 ÷ 20 + 26 (650 ÷ 10) - 26 >
- 432 - 21 + 27 (146 + 76) - 88 >
- 960 ÷ 15 + 16 (910 ÷ 14) - 10 >
- 395 - 70 + 44 (466 + 57) - 77 <
- 80 × 2 - 23 (61 × 56) - 1 <
- 31 × 6 + 23 (56 × 56) + 8 <
- 92 × 4 + 81 (82 × 53) + 6 <
- 968 + 10 - 99 54 - 62 + 30 >
- 988 ÷ 76 - 1 (696 ÷ 12) + 6 <
- 58 × 6 - 20 (81 × 98) - 5 <
- 108 ÷ 27 - 2 (480 ÷ 96) + 1 <
- 342 ÷ 18 - 6 (784 ÷ 16) + 2 <
- 877 + 10 - 32 28 - 29 + 50 >
- 68 × 2 + 89 (50 × 15) + 5 <
- 494 ÷ 19 - 26 (510 ÷ 85) + 3 <
- 631 - 20 + 66 (631 + 30) - 96 >
- 41 × 3 - 62 (44 × 39) - 6 <
- 29 × 8 - 47 (87 × 97) - 3 <
- 570 - 58 + 13 (890 + 47) - 66 <
- 600 ÷ 12 + 12 (264 ÷ 12) - 12 >
- 90 × 3 + 78 (77 × 92) + 4 <
- 408 ÷ 24 + 17 (420 ÷ 10) - 12 >
- 480 ÷ 40 + 10 (945 ÷ 15) - 45 >
- 840 ÷ 15 + 15 (240 ÷ 10) - 16 >
- 77 × 3 - 45 (61 × 3) - 9 >
- 833 ÷ 17 + 17 (462 ÷ 21) - 21 >
- 64 × 9 + 53 (52 × 73) + 9 <
- 62 × 8 - 97 (12 × 30) - 3 >
- 463 - 92 + 66 (952 + 78) - 88 <
- 698 + 10 - 44 21 - 38 + 70 >
- 868 - 31 + 39 (217 + 89) - 96 >
- 96 × 7 + 18 (54 × 71) + 1 <
- 580 - 75 + 65 (613 + 45) - 63 <
- 97 × 7 - 57 (39 × 22) - 5 <
- 792 ÷ 44 - 6 (896 ÷ 56) + 1 <
- 98 × 1 + 91 (71 × 45) + 6 <
- 524 - 31 + 55 (110 + 37) - 25 >
- 220 ÷ 10 - 2 (182 ÷ 91) + 2 >
- 10 × 8 + 35 (23 × 77) + 5 <
- 768 ÷ 12 + 24 (612 ÷ 34) - 12 >
- 10 × 5 - 37 (91 × 50) - 3 <
- 313 - 67 + 95 (561 + 86) - 84 <
- 752 - 65 + 34 (531 + 27) - 99 >
- 656 + 10 - 72 72 - 45 + 56 >
- 827 - 68 + 72 (798 + 51) - 45 >
- 416 - 34 + 29 (352 + 66) - 78 >
- 459 ÷ 27 + 17 (910 ÷ 70) - 13 >
- 288 ÷ 24 + 12 (598 ÷ 13) - 26 >
- 576 ÷ 18 + 18 (756 ÷ 14) - 18 >
- 869 - 68 + 41 (151 + 64) - 33 >
- 462 ÷ 33 + 14 (884 ÷ 13) - 52 >
- 906 + 10 - 43 20 - 39 + 99 >
- 720 ÷ 45 - 1 (470 ÷ 47) + 2 >
- 58 × 8 + 35 (40 × 32) + 5 <
- 10 × 3 - 4 (98 × 17) - 7 <
- 70 × 1 + 43 (91 × 17) + 8 <
- 800 ÷ 32 - 2 (525 ÷ 15) + 7 <
- 42 × 1 + 19 (25 × 55) + 3 <
- 83 × 2 - 24 (85 × 30) - 9 <
- 59 × 8 + 18 (12 × 78) + 3 <
- 550 ÷ 22 + 11 (630 ÷ 15) - 42 >
- 900 ÷ 10 - 3 (336 ÷ 21) + 8 >
- 796 + 10 - 43 80 - 82 + 80 >
- 612 + 10 - 74 63 - 42 + 19 >
- 17 × 8 - 12 (17 × 71) - 9 <
- 163 - 48 + 58 (485 + 73) - 91 <
- 960 ÷ 12 + 16 (720 ÷ 20) - 10 >
- 81 × 8 + 13 (71 × 72) + 9 <
- 280 ÷ 40 - 5 (819 ÷ 39) + 7 <
- 46 × 3 + 92 (28 × 77) + 6 <
- 297 ÷ 27 - 9 (900 ÷ 10) + 12 <
- 522 - 65 + 78 (169 + 81) - 94 >
- 945 ÷ 35 - 1 (760 ÷ 40) + 10 <
- 731 + 10 - 36 64 - 57 + 74 >
- 902 ÷ 41 + 22 (780 ÷ 26) - 20 >
- 160 ÷ 10 - 4 (455 ÷ 35) + 1 <
- 288 ÷ 16 + 18 (532 ÷ 38) - 14 >
- 825 ÷ 25 + 15 (840 ÷ 15) - 35 >
- 656 + 10 - 79 56 - 11 + 40 >
- 783 ÷ 29 - 9 (204 ÷ 34) + 4 >
- 533 - 39 + 54 (863 + 86) - 68 <
- 429 - 72 + 77 (269 + 43) - 25 >
- 33 × 7 - 54 (53 × 34) - 8 <
- 600 ÷ 15 - 24 (840 ÷ 12) + 5 <
- 494 + 10 - 49 65 - 73 + 63 >
- 460 ÷ 10 - 23 (840 ÷ 10) + 30 <
- 49 × 1 + 16 (53 × 49) + 3 <
- 362 + 10 - 33 93 - 47 + 71 >
- 615 + 10 - 85 45 - 42 + 80 >
- 60 × 5 - 23 (25 × 45) - 2 <
- 22 × 8 - 32 (34 × 16) - 2 <
- 47 - 91 + 97 (480 + 17) - 87 <
- 59 × 9 - 81 (94 × 54) - 6 <
- 48 × 7 + 73 (81 × 77) + 4 <
- 203 - 50 + 15 (626 + 11) - 95 <
- 918 ÷ 17 + 17 (285 ÷ 15) - 19 >
- 714 ÷ 14 - 42 (112 ÷ 16) + 7 <
- 608 ÷ 38 - 16 (840 ÷ 42) + 2 <
- 288 ÷ 16 - 12 (195 ÷ 13) + 13 <
- 29 × 5 + 14 (61 × 78) + 3 <
- 77 × 8 + 69 (89 × 25) + 9 <
- 18 × 6 + 67 (81 × 11) + 7 <
- 46 × 6 - 36 (16 × 52) - 8 <
- 79 × 2 - 27 (26 × 74) - 9 <
- 366 - 78 + 63 (729 + 32) - 69 <
- 748 ÷ 22 + 11 (650 ÷ 13) - 50 >
- 480 ÷ 16 + 10 (945 ÷ 35) - 27 >
- 72 × 8 + 43 (55 × 78) + 7 <
- 65 × 9 + 32 (47 × 77) + 6 <
- 780 ÷ 20 + 13 (868 ÷ 14) - 62 >
- 847 - 36 + 78 (769 + 80) - 21 >
- 707 - 98 + 65 (288 + 13) - 48 >
- 595 + 10 - 52 71 - 68 + 68 >
- 73 × 8 - 49 (94 × 46) - 4 <
- 56 × 4 + 39 (71 × 77) + 9 <
- 72 + 10 - 50 10 - 33 + 79 <
- 792 ÷ 11 - 24 (640 ÷ 20) + 1 >
- 460 ÷ 10 - 23 (702 ÷ 18) + 2 <
- 593 - 58 + 49 (406 + 74) - 49 >
- 742 - 48 + 86 (225 + 65) - 77 >
- 780 ÷ 13 + 30 (440 ÷ 22) - 20 >
- 94 × 6 - 21 (86 × 56) - 7 <
- 797 - 89 + 60 (501 + 53) - 94 >
- 48 × 5 - 84 (65 × 25) - 8 <
- 816 ÷ 12 + 24 (850 ÷ 25) - 34 >
- 952 + 10 - 24 96 - 50 + 42 >
- 92 × 1 + 17 (10 × 63) + 6 <
- 953 - 63 + 46 (238 + 93) - 59 >
- 820 ÷ 20 + 10 (407 ÷ 37) - 11 >
- 75 × 6 + 44 (43 × 35) + 4 <
- 936 ÷ 26 - 1 (384 ÷ 96) + 1 >
- 50 × 6 - 85 (23 × 62) - 2 <
- 924 ÷ 12 - 28 (520 ÷ 10) + 4 <
- 554 + 10 - 43 86 - 56 + 15 >
- 160 ÷ 20 - 4 (405 ÷ 15) + 1 <
- 685 - 76 + 77 (791 + 69) - 70 <
- 636 - 12 + 15 (908 + 95) - 65 <
- 648 ÷ 18 + 27 (780 ÷ 12) - 13 >
- 222 - 71 + 85 (120 + 48) - 68 >
- 248 ÷ 62 - 2 (576 ÷ 48) + 9 <
- 648 ÷ 24 - 18 (170 ÷ 10) + 2 <
- 27 × 5 + 98 (61 × 77) + 9 <
- 83 × 5 - 52 (49 × 53) - 5 <
- 685 - 96 + 51 (510 + 43) - 57 >
- 758 - 55 + 34 (866 + 57) - 47 <
- 198 + 10 - 33 25 - 21 + 39 >
- 732 - 47 + 72 (750 + 83) - 30 <
- 549 + 10 - 48 76 - 56 + 38 >
- 409 - 90 + 16 (250 + 35) - 50 >
- 40 × 9 + 93 (87 × 40) + 8 <
- 40 × 6 + 27 (89 × 31) + 5 <
- 19 × 5 + 42 (60 × 85) + 1 <
- 56 × 8 - 11 (24 × 61) - 1 <
- 513 + 10 - 64 65 - 73 + 77 >
- 68 × 2 + 67 (60 × 83) + 9 <
- 216 ÷ 12 - 8 (803 ÷ 11) + 1 <
- 990 + 10 - 14 64 - 14 + 46 >
- 990 ÷ 11 + 55 (783 ÷ 27) - 29 >
- 880 ÷ 11 + 22 (480 ÷ 15) - 32 >
- 82 × 4 - 38 (42 × 22) - 5 <
- 984 ÷ 12 + 24 (990 ÷ 99) - 10 >
- 901 + 10 - 92 91 - 96 + 32 >
- 876 - 31 + 69 (718 + 41) - 37 >
- 964 + 10 - 86 33 - 69 + 83 >
- 18 × 8 - 12 (79 × 36) - 6 <
- 990 ÷ 10 - 2 (637 ÷ 13) + 13 >
- 66 × 5 - 35 (97 × 6) - 9 <
- 882 ÷ 49 - 1 (840 ÷ 30) + 24 <
- 792 ÷ 11 + 72 (616 ÷ 11) - 56 >
- 33 × 3 - 29 (54 × 73) - 1 <
- 962 ÷ 13 + 74 (720 ÷ 12) - 40 >
- 800 ÷ 10 + 10 (720 ÷ 30) - 20 >
- 966 ÷ 14 - 3 (589 ÷ 31) + 19 >
- 980 ÷ 35 - 14 (672 ÷ 96) + 7 =
- 968 ÷ 44 + 22 (686 ÷ 14) - 14 >
- 920 ÷ 23 - 23 (620 ÷ 62) + 4 >
- 88 × 2 + 60 (59 × 35) + 6 <
- 880 ÷ 80 - 8 (945 ÷ 27) + 9 <
- 39 × 3 + 90 (85 × 55) + 9 <
- 291 - 27 + 33 (513 + 46) - 14 <
- 18 × 3 - 32 (35 × 52) - 7 <
- 910 ÷ 13 + 10 (490 ÷ 49) - 10 >
- 52 × 4 - 3 (57 × 87) - 6 <
- 76 × 7 + 24 (38 × 83) + 6 <
- 664 - 25 + 82 (283 + 25) - 45 >
- 137 + 10 - 62 67 - 58 + 96 <
- 82 × 9 + 42 (15 × 40) + 7 >
- 790 - 57 + 36 (77 + 20) - 37 >
- 960 ÷ 48 - 16 (900 ÷ 15) + 6 <
- 312 ÷ 26 + 12 (924 ÷ 21) - 28 >
- 31 × 8 - 93 (78 × 63) - 9 <
- 660 ÷ 12 + 33 (950 ÷ 19) - 25 >
- 558 ÷ 31 - 9 (798 ÷ 19) + 1 <
- 41 × 2 + 39 (34 × 74) + 7 <
- 83 × 5 - 98 (77 × 71) - 2 <
- 832 ÷ 32 - 1 (900 ÷ 30) + 18 <
- 27 × 9 - 40 (31 × 91) - 3 <
- 57 × 2 - 70 (51 × 17) - 7 <
- 52 × 4 + 85 (32 × 45) + 9 <
- 338 + 10 - 19 92 - 68 + 49 >
- 350 ÷ 35 + 10 (768 ÷ 32) - 24 >
- 23 × 1 + 38 (41 × 38) + 4 <
- 24 × 7 + 57 (40 × 20) + 7 <
- 42 - 52 + 98 (910 + 69) - 50 <
- 75 × 9 - 1 (33 × 94) - 6 <
- 855 ÷ 15 + 15 (648 ÷ 12) - 12 >
- 91 × 9 - 16 (90 × 48) - 9 <
- 46 × 7 - 70 (25 × 18) - 7 <
- 230 ÷ 10 + 23 (684 ÷ 18) - 36 >
- 66 × 4 - 63 (55 × 38) - 8 <
- 959 - 44 + 24 (745 + 58) - 36 >
- 638 ÷ 29 + 22 (924 ÷ 22) - 11 >
- 531 + 10 - 58 46 - 75 + 60 >
- 648 - 51 + 50 (230 + 39) - 84 >
- 89 × 8 - 47 (71 × 61) - 8 <
- 741 ÷ 13 + 19 (702 ÷ 54) - 13 >
- 462 ÷ 11 - 22 (615 ÷ 41) + 1 >
- 800 ÷ 32 + 16 (612 ÷ 17) - 17 >
- 864 ÷ 32 - 27 (141 ÷ 47) + 3 <
- 80 × 5 + 64 (23 × 15) + 8 >
- 131 + 10 - 22 42 - 29 + 50 >
- 952 ÷ 17 + 14 (476 ÷ 17) - 17 >
- 765 ÷ 17 - 45 (150 ÷ 25) + 1 <
- 780 ÷ 26 - 3 (660 ÷ 10) + 11 <
- 855 - 76 + 13 (312 + 81) - 71 >
- 75 × 9 - 85 (48 × 54) - 2 <
- 848 ÷ 16 - 16 (296 ÷ 37) + 4 >
- 600 ÷ 40 - 6 (610 ÷ 61) + 5 <
- 66 - 53 + 73 (437 + 97) - 20 <
- 910 ÷ 70 - 13 (810 ÷ 45) + 18 <
- 938 - 19 + 63 (41 + 59) - 41 >
- 726 ÷ 33 + 22 (990 ÷ 15) - 10 <
- 998 - 57 + 54 (533 + 51) - 97 >
- 550 ÷ 10 + 50 (690 ÷ 15) - 46 >
- 28 × 8 + 20 (12 × 74) + 7 <
- 473 ÷ 11 + 11 (540 ÷ 12) - 30 >
- 14 × 9 - 71 (52 × 51) - 6 <
- 848 ÷ 53 - 4 (800 ÷ 40) + 20 <
- 705 + 10 - 14 98 - 86 + 52 >
- 605 - 45 + 92 (589 + 74) - 21 >
- 880 ÷ 20 + 16 (341 ÷ 11) - 11 >
- 600 ÷ 25 - 2 (162 ÷ 54) + 1 >
- 198 - 27 + 19 (665 + 13) - 37 <
- 30 × 3 + 78 (90 × 23) + 3 <
- 564 - 13 + 72 (477 + 39) - 89 >
- 426 - 70 + 89 (623 + 57) - 57 <
- 810 - 61 + 74 (461 + 23) - 23 >
- 708 + 10 - 28 86 - 69 + 23 >
- 850 ÷ 17 - 34 (576 ÷ 12) + 24 <
- 63 × 9 - 80 (62 × 40) - 5 <
- 920 ÷ 10 + 23 (360 ÷ 24) - 12 >
- 950 ÷ 25 + 10 (532 ÷ 14) - 28 >
- 314 + 10 - 80 34 - 80 + 98 >
- 52 × 7 + 87 (58 × 45) + 2 <
- 210 ÷ 10 - 15 (336 ÷ 14) + 2 <
- 750 ÷ 25 + 25 (912 ÷ 24) - 16 >
- 125 - 39 + 20 (280 + 92) - 71 <
- 582 - 31 + 75 (441 + 68) - 99 >
- 835 + 10 - 61 54 - 68 + 42 >
- 589 ÷ 19 + 19 (600 ÷ 30) - 20 >
- 35 × 6 + 88 (35 × 43) + 9 <
- 99 × 9 - 68 (54 × 97) - 6 <
- 880 ÷ 11 + 40 (306 ÷ 18) - 17 >
- 330 ÷ 11 + 10 (896 ÷ 28) - 16 >
- 738 ÷ 18 + 41 (720 ÷ 30) - 15 >
- 29 × 9 - 37 (13 × 65) - 5 <
- 958 - 68 + 37 (413 + 47) - 19 >
- 788 + 10 - 97 86 - 46 + 54 >
- 300 ÷ 20 + 12 (912 ÷ 16) - 16 <
- 625 + 10 - 13 63 - 53 + 25 >
- 82 × 5 + 30 (78 × 27) + 1 <
- 420 ÷ 12 + 35 (750 ÷ 30) - 15 >
※总分：100分， 共计：380道题， 每题：0.26 分。