文档介绍：648+4804-3
124-7354-7
(34+22) 4-8
454- (154-3)
(601 —246) 4- 5
205 + 7X8
62- (25-7)
32X4+72
305X3-154
523+248-475
4704-5-28
4594-9X7
264+159+47
892-537+469
763-386-363
123 + 377X2
1948+539-648
406X7-669
200 + 150X304-5
650+50X3-210
6012 4- (200-194) +936
75 + 3604- (20-5)
72-6X44-3
75 + 3604-20-5
(75 + 360) 4- (20-5)
(5625+3675) 4- (154-5)
681 +27X44-2
23 + 253X4
7209 (15-3X2)
3889- (108+41) X5
960—40 4- 20 — 15
6404- (80-20X3)
5504-110-15X4
368-35X11
(365-328) X (73-55)
(4535—500) 4- (782-777)
632-48X12+86 25296+35X7
672? (3X25-73)
48 4- (2+6)
703-24X25 (252 + 144) 4- (308-298)
23X464-2 93X (515-428)
824-41 X68
(69+21) X (724-8)
(16+20) X35
(126-87) X124-26
234 4- (205-199) (75 + 315) ? (25 — 20)
1004-254-4
(10+25) X44
121-92) X124-6
620-5304-5X2
178 - (83 + 3604-60)
870-304-15 + 13
(420+60) 4- (275-245) 25X32X125
4604- (30-21 4-3)
9000-75X24
9604-15-28
(49+21) X (484-8) 45 + 1804-30-6
84-4X94-6
466+14X2
24004-60-16X2
420? (205-198) X4
44X12 + 29
203-1354-9
(84-4) X94-6
(65+250) 4- (18-13)
36X13+2074-3
28 + 120X8
(124-85) X124-2
1825-454-9X24
(270-180) 4-30
72-12X6+43
(59 + 31) X (964-8) 1024- (680+6404-8)
6404-8-50
9874-3X6
96X (28-754-5)
1674-454-9X100
56 - (25 + 17)
291X4X5
555 X 7 X 4
78X3：9
10054-54-3
9964-6X2
256 X 7 X 5
454-34-5
150X44-10
726 + 274X3
41764-34-2
1912X34-4
5614- (3000 + 614)