- 耗时： 0分0秒
- 题数：
- 得分：
- 300 ÷ 12 + 20 (300 ÷ 12) - 20 >
- 36 - 61 + 26 (36 + 61) - 26 <
- 326 + 10 - 71 326 - 10 + 71 <
- 490 + 10 - 11 490 - 10 + 11 <
- 644 ÷ 28 - 2 (644 ÷ 28) + 2 <
- 334 - 72 + 46 (334 + 72) - 46 <
- 672 ÷ 24 + 16 (672 ÷ 24) - 16 >
- 680 ÷ 10 + 20 (680 ÷ 10) - 20 >
- 86 × 6 - 45 (86 × 45) - 6 <
- 10 × 8 - 67 (10 × 67) - 8 <
- 409 - 54 + 64 (409 + 54) - 64 >
- 768 ÷ 16 - 32 (768 ÷ 16) + 32 <
- 17 × 8 - 87 (17 × 87) - 8 <
- 315 ÷ 45 - 7 (315 ÷ 45) + 7 <
- 15 × 3 - 35 (15 × 35) - 3 <
- 630 + 10 - 46 630 - 10 + 46 <
- 758 + 10 - 72 758 - 10 + 72 <
- 18 × 8 + 13 (18 × 13) + 8 <
- 354 ÷ 59 - 2 (354 ÷ 59) + 2 <
- 56 × 5 - 95 (56 × 95) - 5 <
- 132 ÷ 11 + 11 (132 ÷ 11) - 11 >
- 144 + 10 - 86 144 - 10 + 86 <
- 680 ÷ 17 + 34 (680 ÷ 17) - 34 >
- 324 ÷ 54 - 1 (324 ÷ 54) + 1 <
- 587 - 56 + 75 (587 + 56) - 75 >
- 215 - 61 + 46 (215 + 61) - 46 <
- 366 ÷ 61 - 3 (366 ÷ 61) + 3 <
- 571 + 10 - 95 571 - 10 + 95 <
- 948 + 10 - 29 948 - 10 + 29 <
- 360 ÷ 24 + 15 (360 ÷ 24) - 15 >
- 68 × 6 - 79 (68 × 79) - 6 <
- 96 × 7 - 11 (96 × 11) - 7 <
- 560 + 10 - 35 560 - 10 + 35 <
- 572 ÷ 11 - 22 (572 ÷ 11) + 22 <
- 41 × 5 - 28 (41 × 28) - 5 <
- 540 ÷ 12 - 9 (540 ÷ 12) + 9 <
- 700 ÷ 20 - 25 (700 ÷ 20) + 25 <
- 55 × 7 - 98 (55 × 98) - 7 <
- 54 × 1 + 40 (54 × 40) + 1 <
- 514 - 99 + 45 (514 + 99) - 45 <
- 67 × 4 - 55 (67 × 55) - 4 <
- 136 ÷ 17 - 8 (136 ÷ 17) + 8 <
- 336 ÷ 16 + 12 (336 ÷ 16) - 12 >
- 73 - 59 + 10 (73 + 59) - 10 <
- 684 ÷ 36 - 2 (684 ÷ 36) + 2 <
- 46 × 5 - 7 (46 × 7) - 5 <
- 88 × 3 - 3 (88 × 3) - 3 =
- 38 × 9 + 15 (38 × 15) + 9 <
- 874 + 10 - 58 874 - 10 + 58 <
- 575 ÷ 23 - 1 (575 ÷ 23) + 1 <
- 75 × 4 - 25 (75 × 25) - 4 <
- 785 - 37 + 59 (785 + 37) - 59 >
- 330 ÷ 10 + 30 (330 ÷ 10) - 30 >
- 742 - 18 + 77 (742 + 18) - 77 >
- 73 × 3 + 32 (73 × 32) + 3 <
- 432 ÷ 12 + 27 (432 ÷ 12) - 27 >
- 798 - 79 + 64 (798 + 79) - 64 <
- 816 ÷ 34 - 17 (816 ÷ 34) + 17 <
- 926 + 10 - 49 926 - 10 + 49 <
- 756 ÷ 12 + 14 (756 ÷ 12) - 14 >
- 602 + 10 - 58 602 - 10 + 58 <
- 30 × 3 - 77 (30 × 77) - 3 <
- 26 × 1 + 61 (26 × 61) + 1 <
- 25 × 1 + 75 (25 × 75) + 1 <
- 798 ÷ 42 - 14 (798 ÷ 42) + 14 <
- 80 + 10 - 46 80 - 10 + 46 <
- 124 - 49 + 87 (124 + 49) - 87 >
- 858 ÷ 39 + 22 (858 ÷ 39) - 22 >
- 690 ÷ 10 + 30 (690 ÷ 10) - 30 >
- 308 ÷ 14 + 14 (308 ÷ 14) - 14 >
- 44 × 4 - 98 (44 × 98) - 4 <
- 24 × 8 - 96 (24 × 96) - 8 <
- 24 × 4 + 71 (24 × 71) + 4 <
- 336 ÷ 42 - 4 (336 ÷ 42) + 4 <
- 78 × 1 + 84 (78 × 84) + 1 <
- 992 + 10 - 16 992 - 10 + 16 <
- 555 - 44 + 86 (555 + 44) - 86 >
- 574 - 56 + 24 (574 + 56) - 24 <
- 595 - 62 + 65 (595 + 62) - 65 >
- 291 - 29 + 25 (291 + 29) - 25 <
- 481 + 10 - 76 481 - 10 + 76 <
- 462 - 68 + 61 (462 + 68) - 61 <
- 55 × 7 + 89 (55 × 89) + 7 <
- 307 + 10 - 99 307 - 10 + 99 <
- 180 + 10 - 28 180 - 10 + 28 <
- 952 ÷ 17 - 2 (952 ÷ 17) + 2 <
- 873 + 10 - 95 873 - 10 + 95 <
- 915 + 10 - 13 915 - 10 + 13 <
- 83 × 3 + 43 (83 × 43) + 3 <
- 594 ÷ 22 - 3 (594 ÷ 22) + 3 <
- 15 - 91 + 83 (15 + 91) - 83 <
- 75 × 1 + 33 (75 × 33) + 1 <
- 693 + 10 - 92 693 - 10 + 92 <
- 163 + 10 - 82 163 - 10 + 82 <
- 12 × 2 - 5 (12 × 5) - 2 <
- 26 × 7 - 54 (26 × 54) - 7 <
- 71 × 1 - 13 (71 × 13) - 1 <
- 354 ÷ 59 - 3 (354 ÷ 59) + 3 <
- 880 ÷ 16 - 11 (880 ÷ 16) + 11 <
- 684 ÷ 18 - 6 (684 ÷ 18) + 6 <
- 960 ÷ 64 + 12 (960 ÷ 64) - 12 >
- 16 × 7 + 96 (16 × 96) + 7 <
- 234 - 50 + 95 (234 + 50) - 95 >
- 429 ÷ 11 + 39 (429 ÷ 11) - 39 >
- 638 ÷ 11 - 1 (638 ÷ 11) + 1 <
- 222 ÷ 37 - 6 (222 ÷ 37) + 6 <
- 520 ÷ 13 + 26 (520 ÷ 13) - 26 >
- 44 × 7 - 80 (44 × 80) - 7 <
- 666 - 13 + 22 (666 + 13) - 22 >
- 17 - 47 + 46 (17 + 47) - 46 <
- 910 ÷ 35 - 2 (910 ÷ 35) + 2 <
- 95 × 4 + 70 (95 × 70) + 4 <
- 810 ÷ 30 - 10 (810 ÷ 30) + 10 <
- 888 ÷ 37 - 4 (888 ÷ 37) + 4 <
- 864 ÷ 12 + 48 (864 ÷ 12) - 48 >
- 810 ÷ 15 + 54 (810 ÷ 15) - 54 >
- 92 × 9 - 2 (92 × 2) - 9 >
- 462 ÷ 21 + 11 (462 ÷ 21) - 11 >
- 58 × 3 + 34 (58 × 34) + 3 <
- 737 ÷ 11 - 67 (737 ÷ 11) + 67 <
- 248 + 10 - 16 248 - 10 + 16 <
- 84 × 9 - 77 (84 × 77) - 9 <
- 168 ÷ 24 - 1 (168 ÷ 24) + 1 <
- 68 × 8 + 77 (68 × 77) + 8 <
- 947 + 10 - 50 947 - 10 + 50 <
- 77 × 3 - 40 (77 × 40) - 3 <
- 918 ÷ 51 + 17 (918 ÷ 51) - 17 >
- 726 + 10 - 78 726 - 10 + 78 <
- 654 - 54 + 68 (654 + 54) - 68 >
- 934 + 10 - 58 934 - 10 + 58 <
- 39 + 10 - 47 39 - 10 + 47 <
- 647 + 10 - 26 647 - 10 + 26 <
- 32 + 10 - 36 32 - 10 + 36 <
- 48 × 6 - 43 (48 × 43) - 6 <
- 79 × 5 + 19 (79 × 19) + 5 <
- 936 ÷ 36 - 12 (936 ÷ 36) + 12 <
- 768 ÷ 24 - 1 (768 ÷ 24) + 1 <
- 621 ÷ 69 - 9 (621 ÷ 69) + 9 <
- 98 × 7 - 15 (98 × 15) - 7 <
- 31 × 5 - 13 (31 × 13) - 5 <
- 984 ÷ 24 + 24 (984 ÷ 24) - 24 >
- 910 ÷ 14 + 10 (910 ÷ 14) - 10 >
- 111 - 44 + 32 (111 + 44) - 32 <
- 57 × 6 - 74 (57 × 74) - 6 <
- 351 ÷ 39 - 1 (351 ÷ 39) + 1 <
- 680 ÷ 34 + 20 (680 ÷ 34) - 20 >
- 160 ÷ 32 - 5 (160 ÷ 32) + 5 <
- 94 × 4 + 84 (94 × 84) + 4 <
- 43 × 5 - 75 (43 × 75) - 5 <
- 44 × 6 + 34 (44 × 34) + 6 <
- 947 - 62 + 42 (947 + 62) - 42 <
- 204 ÷ 12 - 3 (204 ÷ 12) + 3 <
- 427 + 10 - 82 427 - 10 + 82 <
- 488 - 20 + 80 (488 + 20) - 80 >
- 400 ÷ 10 - 25 (400 ÷ 10) + 25 <
- 720 ÷ 10 - 45 (720 ÷ 10) + 45 <
- 884 - 15 + 27 (884 + 15) - 27 >
- 71 × 8 + 50 (71 × 50) + 8 <
- 360 ÷ 24 - 2 (360 ÷ 24) + 2 <
- 792 ÷ 18 - 22 (792 ÷ 18) + 22 <
- 880 ÷ 16 + 22 (880 ÷ 16) - 22 >
- 64 × 1 + 90 (64 × 90) + 1 <
- 380 + 10 - 81 380 - 10 + 81 <
- 923 - 93 + 34 (923 + 93) - 34 <
- 990 ÷ 11 + 22 (990 ÷ 11) - 22 >
- 37 × 4 - 83 (37 × 83) - 4 <
- 81 × 2 + 36 (81 × 36) + 2 <
- 990 ÷ 11 + 22 (990 ÷ 11) - 22 >
- 474 + 10 - 66 474 - 10 + 66 <
- 750 - 55 + 88 (750 + 55) - 88 >
- 184 + 10 - 28 184 - 10 + 28 <
- 255 ÷ 15 + 15 (255 ÷ 15) - 15 >
- 756 ÷ 84 - 3 (756 ÷ 84) + 3 <
- 277 + 10 - 20 277 - 10 + 20 <
- 759 - 45 + 15 (759 + 45) - 15 <
- 992 ÷ 31 - 16 (992 ÷ 31) + 16 <
- 62 × 4 + 85 (62 × 85) + 4 <
- 696 ÷ 29 + 12 (696 ÷ 29) - 12 >
- 97 × 1 + 88 (97 × 88) + 1 <
- 415 - 55 + 11 (415 + 55) - 11 <
- 879 + 10 - 55 879 - 10 + 55 <
- 528 ÷ 16 + 22 (528 ÷ 16) - 22 >
- 60 × 4 + 33 (60 × 33) + 4 <
- 672 ÷ 16 - 21 (672 ÷ 16) + 21 <
- 468 ÷ 18 + 13 (468 ÷ 18) - 13 >
- 972 ÷ 27 + 18 (972 ÷ 27) - 18 >
- 98 × 1 + 12 (98 × 12) + 1 <
- 656 ÷ 41 + 16 (656 ÷ 41) - 16 >
- 522 + 10 - 45 522 - 10 + 45 <
- 770 ÷ 14 + 10 (770 ÷ 14) - 10 >
- 576 ÷ 32 - 4 (576 ÷ 32) + 4 <
- 528 ÷ 11 + 24 (528 ÷ 11) - 24 >
- 675 ÷ 75 - 5 (675 ÷ 75) + 5 <
- 64 - 59 + 59 (64 + 59) - 59 =
- 311 + 10 - 42 311 - 10 + 42 <
- 65 × 3 - 94 (65 × 94) - 3 <
- 836 ÷ 19 + 19 (836 ÷ 19) - 19 >
- 401 - 87 + 85 (401 + 87) - 85 <
- 74 × 9 + 10 (74 × 10) + 9 <
- 203 + 10 - 43 203 - 10 + 43 <
- 735 + 10 - 12 735 - 10 + 12 <
- 945 ÷ 15 - 9 (945 ÷ 15) + 9 <
- 924 ÷ 42 - 11 (924 ÷ 42) + 11 <
- 831 + 10 - 36 831 - 10 + 36 <
- 737 + 10 - 28 737 - 10 + 28 <
- 73 × 7 + 64 (73 × 64) + 7 <
- 90 × 2 - 16 (90 × 16) - 2 <
- 600 - 49 + 37 (600 + 49) - 37 <
- 922 - 41 + 33 (922 + 41) - 33 <
- 780 - 90 + 96 (780 + 90) - 96 >
- 658 - 54 + 71 (658 + 54) - 71 >
- 507 + 10 - 95 507 - 10 + 95 <
- 63 × 9 - 41 (63 × 41) - 9 <
- 825 ÷ 25 + 33 (825 ÷ 25) - 33 >
- 828 + 10 - 80 828 - 10 + 80 <
- 714 ÷ 34 + 14 (714 ÷ 34) - 14 >
- 83 × 3 + 76 (83 × 76) + 3 <
- 880 ÷ 16 + 40 (880 ÷ 16) - 40 >
- 792 ÷ 22 + 24 (792 ÷ 22) - 24 >
- 252 ÷ 84 - 2 (252 ÷ 84) + 2 <
- 881 - 91 + 10 (881 + 91) - 10 <
- 411 + 10 - 80 411 - 10 + 80 <
- 728 ÷ 28 - 1 (728 ÷ 28) + 1 <
- 720 ÷ 20 - 4 (720 ÷ 20) + 4 <
- 49 × 3 - 3 (49 × 3) - 3 =
- 25 × 9 + 41 (25 × 41) + 9 <
- 649 - 13 + 34 (649 + 13) - 34 >
- 672 ÷ 84 - 1 (672 ÷ 84) + 1 <
- 51 × 4 - 17 (51 × 17) - 4 <
- 69 × 8 - 94 (69 × 94) - 8 <
- 14 × 3 + 98 (14 × 98) + 3 <
- 928 ÷ 16 - 16 (928 ÷ 16) + 16 <
- 782 ÷ 17 + 46 (782 ÷ 17) - 46 >
- 83 × 4 + 91 (83 × 91) + 4 <
- 114 ÷ 38 - 2 (114 ÷ 38) + 2 <
- 46 × 5 - 60 (46 × 60) - 5 <
- 903 ÷ 43 - 7 (903 ÷ 43) + 7 <
- 644 ÷ 23 + 14 (644 ÷ 23) - 14 >
- 30 × 4 + 18 (30 × 18) + 4 <
- 64 × 1 + 52 (64 × 52) + 1 <
- 298 + 10 - 77 298 - 10 + 77 <
- 85 × 5 - 50 (85 × 50) - 5 <
- 837 ÷ 27 + 27 (837 ÷ 27) - 27 >
- 660 ÷ 44 - 6 (660 ÷ 44) + 6 <
- 47 × 1 + 63 (47 × 63) + 1 <
- 380 - 74 + 70 (380 + 74) - 70 <
- 612 ÷ 36 - 4 (612 ÷ 36) + 4 <
- 828 ÷ 36 + 23 (828 ÷ 36) - 23 >
- 12 + 10 - 11 12 - 10 + 11 <
- 398 - 24 + 13 (398 + 24) - 13 <
- 872 - 18 + 67 (872 + 18) - 67 >
- 630 ÷ 10 + 45 (630 ÷ 10) - 45 >
- 924 ÷ 14 + 44 (924 ÷ 14) - 44 >
- 410 ÷ 82 - 2 (410 ÷ 82) + 2 <
- 240 ÷ 12 - 5 (240 ÷ 12) + 5 <
- 524 - 83 + 31 (524 + 83) - 31 <
- 660 ÷ 33 + 10 (660 ÷ 33) - 10 >
- 816 ÷ 16 - 51 (816 ÷ 16) + 51 <
- 51 × 1 - 40 (51 × 40) - 1 <
- 68 × 3 - 70 (68 × 70) - 3 <
- 10 × 8 + 48 (10 × 48) + 8 <
- 360 - 27 + 86 (360 + 27) - 86 >
- 713 + 10 - 75 713 - 10 + 75 <
- 51 × 6 + 33 (51 × 33) + 6 <
- 600 ÷ 10 - 20 (600 ÷ 10) + 20 <
- 676 ÷ 52 - 4 (676 ÷ 52) + 4 <
- 68 × 1 + 89 (68 × 89) + 1 <
- 136 ÷ 68 - 2 (136 ÷ 68) + 2 <
- 850 - 74 + 66 (850 + 74) - 66 <
- 70 × 3 - 9 (70 × 9) - 3 <
- 734 + 10 - 95 734 - 10 + 95 <
- 73 × 4 + 79 (73 × 79) + 4 <
- 71 × 5 + 97 (71 × 97) + 5 <
- 317 + 10 - 62 317 - 10 + 62 <
- 39 × 4 + 33 (39 × 33) + 4 <
- 32 × 1 + 53 (32 × 53) + 1 <
- 41 × 8 + 76 (41 × 76) + 8 <
- 804 + 10 - 98 804 - 10 + 98 <
- 465 + 10 - 15 465 - 10 + 15 <
- 96 × 5 - 7 (96 × 7) - 5 <
- 728 ÷ 26 - 1 (728 ÷ 26) + 1 <
- 279 + 10 - 51 279 - 10 + 51 <
- 510 ÷ 15 - 30 (510 ÷ 15) + 30 <
- 594 ÷ 18 - 9 (594 ÷ 18) + 9 <
- 536 + 10 - 19 536 - 10 + 19 <
- 496 + 10 - 42 496 - 10 + 42 <
- 616 ÷ 22 + 14 (616 ÷ 22) - 14 >
- 22 × 9 + 14 (22 × 14) + 9 <
- 324 ÷ 12 - 18 (324 ÷ 12) + 18 <
- 34 × 1 + 20 (34 × 20) + 1 <
- 792 ÷ 24 - 12 (792 ÷ 24) + 12 <
- 15 × 9 - 10 (15 × 10) - 9 <
- 196 - 17 + 38 (196 + 17) - 38 >
- 24 × 3 + 61 (24 × 61) + 3 <
- 924 ÷ 12 + 42 (924 ÷ 12) - 42 >
- 720 ÷ 12 + 45 (720 ÷ 12) - 45 >
- 75 × 3 + 96 (75 × 96) + 3 <
- 918 ÷ 18 - 1 (918 ÷ 18) + 1 <
- 928 - 68 + 10 (928 + 68) - 10 <
- 85 × 9 - 16 (85 × 16) - 9 <
- 226 + 10 - 86 226 - 10 + 86 <
- 468 ÷ 39 - 2 (468 ÷ 39) + 2 <
- 60 × 2 - 29 (60 × 29) - 2 <
- 722 - 33 + 63 (722 + 33) - 63 >
- 579 - 42 + 72 (579 + 42) - 72 >
- 828 ÷ 12 + 18 (828 ÷ 12) - 18 >
- 90 × 1 + 15 (90 × 15) + 1 <
- 63 × 6 + 10 (63 × 10) + 6 <
- 99 - 11 + 49 (99 + 11) - 49 >
- 65 × 6 - 74 (65 × 74) - 6 <
- 291 + 10 - 18 291 - 10 + 18 <
- 59 × 9 + 70 (59 × 70) + 9 <
- 43 × 1 + 47 (43 × 47) + 1 <
- 16 × 6 + 69 (16 × 69) + 6 <
- 38 × 5 - 66 (38 × 66) - 5 <
- 682 ÷ 11 + 62 (682 ÷ 11) - 62 >
- 81 - 66 + 12 (81 + 66) - 12 <
- 53 × 6 + 30 (53 × 30) + 6 <
- 568 + 10 - 21 568 - 10 + 21 <
- 952 - 21 + 13 (952 + 21) - 13 <
- 127 + 10 - 24 127 - 10 + 24 <
- 650 ÷ 10 - 1 (650 ÷ 10) + 1 <
- 440 ÷ 10 + 20 (440 ÷ 10) - 20 >
- 924 ÷ 66 - 12 (924 ÷ 66) + 12 <
- 771 + 10 - 20 771 - 10 + 20 <
- 694 + 10 - 35 694 - 10 + 35 <
- 185 + 10 - 79 185 - 10 + 79 <
- 34 × 7 - 59 (34 × 59) - 7 <
- 480 ÷ 20 + 10 (480 ÷ 20) - 10 >
- 480 ÷ 40 - 12 (480 ÷ 40) + 12 <
- 19 × 2 + 23 (19 × 23) + 2 <
- 73 × 4 - 65 (73 × 65) - 4 <
- 47 × 4 + 16 (47 × 16) + 4 <
- 691 + 10 - 73 691 - 10 + 73 <
- 444 - 79 + 48 (444 + 79) - 48 <
- 891 ÷ 11 - 81 (891 ÷ 11) + 81 <
- 906 + 10 - 23 906 - 10 + 23 <
- 972 ÷ 36 + 18 (972 ÷ 36) - 18 >
- 48 × 6 - 63 (48 × 63) - 6 <
- 76 × 1 - 57 (76 × 57) - 1 <
- 864 ÷ 12 + 72 (864 ÷ 12) - 72 >
- 360 - 79 + 46 (360 + 79) - 46 <
- 880 ÷ 11 + 10 (880 ÷ 11) - 10 >
- 500 - 22 + 90 (500 + 22) - 90 >
- 300 + 10 - 62 300 - 10 + 62 <
- 646 ÷ 17 + 19 (646 ÷ 17) - 19 >
- 760 ÷ 19 + 20 (760 ÷ 19) - 20 >
- 38 × 4 + 64 (38 × 64) + 4 <
- 251 + 10 - 65 251 - 10 + 65 <
- 880 ÷ 44 - 10 (880 ÷ 44) + 10 <
- 969 ÷ 51 - 17 (969 ÷ 51) + 17 <
- 570 ÷ 57 + 10 (570 ÷ 57) - 10 >
- 756 ÷ 36 - 9 (756 ÷ 36) + 9 <
- 679 - 44 + 94 (679 + 44) - 94 >
- 61 × 5 - 51 (61 × 51) - 5 <
- 13 × 3 + 62 (13 × 62) + 3 <
- 94 × 3 - 25 (94 × 25) - 3 <
- 140 - 75 + 66 (140 + 75) - 66 <
- 342 ÷ 19 - 9 (342 ÷ 19) + 9 <
- 24 × 4 - 29 (24 × 29) - 4 <
- 462 + 10 - 58 462 - 10 + 58 <
- 78 × 3 + 73 (78 × 73) + 3 <
- 575 - 59 + 55 (575 + 59) - 55 <
- 48 × 6 + 87 (48 × 87) + 6 <
- 90 × 5 - 18 (90 × 18) - 5 <
- 79 × 4 + 18 (79 × 18) + 4 <
- 88 × 8 + 69 (88 × 69) + 8 <
- 125 - 23 + 14 (125 + 23) - 14 <
- 957 ÷ 11 - 1 (957 ÷ 11) + 1 <
- 529 + 10 - 40 529 - 10 + 40 <
- 103 - 62 + 13 (103 + 62) - 13 <
- 72 × 6 + 44 (72 × 44) + 6 <
- 604 + 10 - 88 604 - 10 + 88 <
- 820 ÷ 82 - 2 (820 ÷ 82) + 2 <
- 373 - 27 + 20 (373 + 27) - 20 <
- 448 + 10 - 70 448 - 10 + 70 <
- 336 + 10 - 41 336 - 10 + 41 <
- 33 × 9 + 28 (33 × 28) + 9 <
- 750 ÷ 10 + 30 (750 ÷ 10) - 30 >
- 607 - 19 + 45 (607 + 19) - 45 >
※总分：100分， 共计：380道题， 每题：0.26 分。