(完整版)整数简便运算专项练习600题(有答案)

1、整数简便运算- 1 整数简便运算专项练习 600 题（有答案） (23) 280X 36 - 360X 18 , (24) 5400+( 50 X 27), (25) 45X 45+45X 55 (26) 37X 41 - 37 (27) 162+89 - 62 (28) 71X 25+71X 76, (29) 125X 32X 25 , (30) 398+167+102+333 , (31) 1400 - 386 - 614, (32) 794 - 198 , (33) 68X 25, (34) 6756 - 193 - 207, (35) 72X125, (36) 97X 360+3X 3

2、60, (37) 44X 25, (38) 1000 - 525+125, (39) 402 - 27+198 , (40) 39+261+61, (41) 2010X 9+2010, (42) 257 - 65+43+165, (43) 32X 25X125, (44) 384+196+216+104, (45) 8X( 125+25)X 4 , (46) 78X 57 - 78+78X 43, (47) (6+8)X 125 (48) 726+53+74 - 353 (49) 735 - 248 - 152 (50) 4500+4+25 (51) 32X 27+73X 32, (52) 1

3、260 - 432 - 568, (53) 25X 62X4, (54) 125X 88, (55) 17X 243+17X 56+17, (56) 25X 32X125, (57) 125X 32X25, (58) 132X 77+22X 132+132, (59) 1139 -( 350+139), (60) 1170+ 9+13, (61) 98+376+2, (62) 25X 97X4, (63) 137X 38+63X 38, (64) 300+25+4, (65) 125X( 80+8), (57) 872 - 354 - 246, (57) 25X 64X4, (58) 72 X

4、 102 - 2X 72 ,(59) 1002 - 5+98,(1) 25X 125X 4 X 8, (2) 2005X 2004 - 4, (3) 55 X 66+( 11X 11), (4) 25 X(19+19+19+19), (5) 99X 99+99, (6) 37X 39- 29X 37, (7) 18+ 27+ 6X 27, (8) 586 X 124+29 X 586 - 586 X 53, (9) 28X 5+2X 4X 35+21 X 20+14X 40+8X 62, (9) 125X 32, (10) 2008X 99+2008, (11) 77 - 75+23 - 25

5、, (12) 125X 88, (13) 2011X 99+2011, (14) 49 - 75+151 - 25, (15) (125+9)X 8, (16) 3.67 X 25 X 4, (17) 28+531+72+469 , (18) 49 X 102 - 2 X 49, (19) 833 - 243 - 457, (20) 41000+( 41 X 5), (21) 4200+25, 整数简便运算- 2 (60) 569+68+132+31 , (61) 38 X 25 X 4 , (62) 2300 - 165 - 35 , (63) 125X( 8+4), (64) 3200-2

6、5 - 4 , (65) 23 X 32+68 X 23 , (66) 25X204, (67) 56 X 32 - 46 X 32 , (68) 8+2 - 8+2, (69) 25 X 4 - 25 X 4 , (70) 726-( 526 - 150), (71) 286+198, (72) 314 - 202, (73) 526+301, (74) 223 - 99, (75) 98X58+58+58, (76) 415 - 176 - 24 , (77) 829+37+71+63, (78) 125X 89X 8 , (79) 428X 78+572X 78, (80) 101 X

7、92 - 92 , (81) 907X 99+907 , (82) 274+299+201+326 , (83) 65 X 99+65, (84) 38X 42+38X 58 (85) 415 - 176 - 24 , (86) 829+37+71+63, (87) 125X 89X 8, (88) 428X 78+572X 78, (89) 250+255+260+265+270, (90) 1041 -( 41+328), (91) 125X 54- 46X 125, (92) 99+99X 99, (93) 329 - 186- 14, (94) 25X 37X4, (95) 720-

8、16- 5, (96) 403 - 198 - 2, (97) 76+149+24, (98) 154-( 54+98), (99) 37X 64+37X136, (100) 216+305, (101) 25X 32, (102) 47+236+64, (103) 6X( 15X 9), (104) 402+539, (105) 43+78+122+257, (106) 25X( 26X 4), (107) 25X 44, (108) 354+ (229+46),(109) (110) (111) (112) (113) (114) (115) (116) (117) (118) (119)

9、 (120) (121) (122) (123) (124) (125) (126) (127) (128) (129) (130) (131) (132) (125+7)X 8 , 327+64+273+46, 645 - 58 - 142 , 332 X 4+68X 4 , 135 - 87+65 - 13 , 15X 4 X 25 , 1992+144 - 992, 78X101, 69+11 - 69+11, 25 X 64 X 125 107 X 73 - 7 X 73 39X101, 75X 299+75, 720 - 16- 5 , 456+328+672+44, 57X101,

10、 87X 99+87, 84X 72+84X 29+84, 6240 - 3885 - 1115 , 25 X 13 X 4 , 99X 36+36, 351+188+12, 88X125, 720 - 16- 5 , 整数简便运算- 3 (158) 25 X 125X 2 X 4 , (159) 56X 99+56 , (160) 124 X 75 - 124 X 72 - 124X 2 , (160) 104X 39 - 39X 4, (161) 28X 99+28 (162) (125X 39)X 8 (163) 6958+1998, (164) (81+108)- 27, (165)

11、3254 - 599 - 254, (166) 26X 8X 125 , (167) 4200 - 15- 2, (168) 25 X 33X 4 , (169) 25 X 29X 4 , (170) 598X101, (171) 125X 48, (172) 105X 32, (173) 4X 43X25, (174) 109+127+73, (175) 608 - 154 - 146, (176) 165 - 97, (177) 258+98, (178) 109+127+73, (179) 608 - 154 - 146, (180) 165 - 97, (181) 258+98 , (

12、182) 36X 64 - 64+64X65, (183) 24X 125X 7 , (184) 25X( 24+8)X 125 , (185) 438 - 298, (186) 25X 37X8, (187) 4800 - 16- 5, (188) 816 - 285 - 15, (189) 37X 101 - 37, (190) 2563 - 79+437, (191) 768 - 273 - 27 (192) 165+247+135 (193) 198+355 (194) 243 -( 43+26) (195) 45+63+37+55, (196) 520 - 425 - 75, (19

13、7) 8 X( 11X 125), (198) 525X 99+525, (199) 3900 - 25-4, (200) 275+364+636+725, (201) 1578-( 61+578)- 139 , (202) 9999X 2010+2010 (203) 456+123+544+877 (204) 225X 48+775X 48(133) 317X 15- 17X 15, (134) (125+7)X 8, (135) 3200- 25- 4, (136) 327+64+273+46, (137) 639 - 58 - 142, (138) 25X 137X 40, (139)

14、4200 - 1934 - 1066, (140) 290X 54+29X 460, (141) 46X102+308, (142) 25X 137X 4, (143) 38 X 101, (144) 68X 200X 25, (145) 101X 87 - 87, (146) 56X 67+33X56, (147) 9+498+102+211, (148) 1305+1238 - 405, (149) 2452 -( 75+452), (150) 245 - 65 - 35, (151) 186+82+18, (152) 25X( 4X 97), (153) 8X( 25+20), (154

15、) 24X 56+44X24, (155) 700 - 4 - 25, (156) 39X 49+39X51, (157) 108X 25 , 整数简便运算- 4 (231) 647 - 289 - 111, (232) 287+198, (233) 357+256+1000, (234) 49X 102 - 2X 49 , (235) 1563+254+437+746, (236) 25X 64X125, (237) 43000 -( 43X 5), (238) 1736 - 28+1064-28, (239) 168 X 25X 4 , (240) 32X 87+13X 32, (241)

16、 1126 - 637 - 463 , (241) (101 - 98)X 44 - 12 , (242) 43X 99+43 (243) 1270 - 538 - 462 (244) 577+492+423+508 (245) 48X 125 (246) 32000 - 125 (247) 107+538+462 (248) 54X 45+45+45X 45 (249) 125X( 25X 32 ) (250) 153 X 43+ 43X 47, (251) 101X16, (252) 125 X 5X 8X 2 , (253) 39+144+61,(206) (207) (208) (20

17、9) (210) (211) (212) (213) (214) (215) (216) (217) (218) (219) (220) (221) (222) (223) (224) (225) (226) (227) (228) (229) (230) 25X 33X 4 X 2, 156+62 - 156+62, 700 - 296 - 104, 45+99X 99+54, 8 X 4 X( 125+25), 25X( 4X 40), 47 X 16+63 X 16, 201 X 42 - 42, 6854 -( 893+854+107), 28X 19X 25, 327X 99, 54

18、000- 8- 125, 194+59+41+106, 383-( 183+29), 24X125, 156+45 - 55 , 1300 - 25 - 4 , 5127 - 866 - 134, 75+127+25+63 , 363 X 7+237 X 7 , 4300 - 25 - 4 , 25X 7X 44 , 327+64+273+46, 750 - 326 - 144 , 278+598+122, (254) (255) (256) (257) (258) (259) (260) (261) (262) (263) (264) (265) (266) (267) (268) (269

19、) (270) (271) (272) (273) (274) (275) (276) (277) (278) 27 X 4 X 5 , 857 - 318 - 182 , 25 X 77 - 37 X 25 , 125 X 7X 32 , 124+38+76+62, 222 - 56 - 44 , 16X 125 , 534+262+66+138, 99X165+165, 29 X 8 X 125 , 8X( 125+12), 1428 - 544 - 456, 250X 60, 630 - 35- 2 , 125X16, 800 - 32, 25 X 36 , 810 - 54, 55 X

20、 14 , 179+54+321, 13X 14 X 125X 2 , 1525 - 31+75 - 49 , 115 X 23 - 23 X 15 , 23X 199+23 , 72X 5+72X 4+72, 99 X 52 , 整数简便运算- 5 (303) 769X 101 - 769, (304) 39000 - 60 - 50, (305) 96X 125X 7 X 24, (306) 1795+376+624 - 595, (307) 102X 79 - 79X 2, (308) 25X 404, (309) 628 - 46+454, (310) (80 - 1)X 125, (

21、311) (49+49+49+49)X 250, (312) 45X 54+45X 45+45, (313) 324+67+76, (314) 34X 27+66X 27, (315) 99X 52+52, (316) (125+9)X 8, (317) 3.27+6.4+2.73+4.6 , (318) 3200 - 25-4, (319) 137X13+137X 6+137, (320) 450X 34+45X 660 (321) 827 - 98 - 102, (322) 378+169+22, (323) 475 - 197, (324) 188+97+12, (325) 235+36

22、+45, (326) 372+89+38, (327) 464+28+36,(279) 34 X 72+34 X 28 , (280) 203X 99, (281) (80+4)X 25 , (282) 125X 7X 8 , (283) 27 X 45+55 X 27 , (284) 728 - 155 - 328 , (285) 463+342+158, (286) 873 - 322+278 , (287) 1234 - 773 - 327, (288) 111X 9+111 , (289) 25 X 294 X 4, (290) 4000 - 125 - 8 , (291) 18X 4

23、5+18X 55 , (292) 239+144+61 (293) 728 - 155 - 328 , (294) 463+342+158, (295) 873 - 322+278 , (296) 1234 - 773 - 327, (297) 111X 9+111 , (298) 24X125, (299) 114+48+86+52 , (300) 469 X 5 X 2 , (301) 720 - 15 - 4 , (302) 3288 - 1999+212 , (328) (329) (330) (331) (333) (334) (335) (336) (337) (338) (339

24、) (340) (341) (342) (343) (344) (345) (346) (347) (348) (349) (350) (351) (352) 597+24+3, 682 - 55 - 27 , 725 X 23X 4 , 8125X 16 , 932 X 25X 25 , 325+325+325+324, 125X 24, 1200 - 25, 908 X 11 - 908 , 329X 99+329, 12150 - 45 - 7650 - 45 , 27+979+1973+9021, 1358- (442+358) +622, 25X 58+25+25X 41, 101X

25、15+358, 104 X 45- 52 , 25X( 40X 6), 532 X 76- 38 , 173 X 8- 173X 8 , 28X 25+375 - 25, 4260 - 60 X 104 , 796X 3+584, 25X 319X 4 , 470-( 5 X 47), 整数简便运算- 6 (378) 1621 -( 312+621)- 688, (379) 1185+1733+115+3267, (380) 101 X 99, (381) 4920 - 24+3250 - 125, (382) 24X 57+43X 24, (383) 36+42+64+158, (384)

26、1600 - 217- 483 , (385) 163 X 8+137X 8 , (386) 4200 - 25-4, (387) 100 - 28+72, (388) 200 - 28X 5 , (389) 297 - 28 - 72 , (390) 4 X 89 X 25 , (391) 78+99+22, (392) 900 - 25-4, (393) 329X101, (394) 54X 98+46X 98, (395) 3000 - 125, (396) 800 - 25, (397) (125 X 25)X 8 , (398) 57X 15+42X 15+15, (399) 373

27、+733+627, (400) 623 - 187 - 213+377, (401) 98+99X98, (402) 102X 36, (403) 276+428+124+572, (404) 375 -( 25 - 10)X 15, (405) 125X 43 - 25X 43, (406) 32X 202, (407) 285 X 38+15X 38 , (408) 120X 25, (409) 490 - (215 - 208)X 4, (410) 95 X 101 - 95 , (411) 7614-( 2164+871), (412) 578+ (791+422) +309, (41

28、3) 24X 125X 7 , (414) 536 X 64 - 64-64 X 35 , (415) 25 X 99 X 4 , (416) 121+131+141+151+161+171+181 , (417) ( 80 - 1)X 125 , (418) 45X 54+45X 45+45, (419) ( 543+543+543+543)X 25, (420) 2300 - 165 - 35, (421) 25X 204, (422) 125X( 8+4), (423) 3700 - 25-4, (424) 56X 32 - 46X 32, (425) 99X 78+78, (426)

29、125X 103- 125X3,(353) (354) (355) (356) (357) (358) (359) (360) (361) (362) (363) (364) (365) (366) (367) (368) (369) (370) (371) (372) (373) (374) (375) (376) (377) 250X 28, 630- 35 - 2, 52 X 72+52 X 29 - 52, 243+26+274, 35.24 -( 15.24+8.16 ), 354 - 99, 83X 5+83X 2+83X 3, 43X 202, 185X 38+15X 38, 1

30、60X 25, 420 - (205 - 198)X 4, 96 X 101 - 96, 2000 - 586 - 114, 55 X 25+25 X 45, (40+4)X 25, 540 - 12 - 5, 77X 13 - 13X 27, 104X 32, 282+142+158, 577+204, 45 X 14, 78 X 99, 542 - 199+99, 65+99X 65, 整数简便运算- 7 (451) 53X 99, (452) 199X 39+39, (453) 7826 -( 826 - 1300), (454) 87X 99+87 , (455) 125X 88, (

31、456) 54X 102 , (457) 125X( 4+8), (458) 36X 111+888X 8 , (459) 65X 34+34X 34+34 , (460) 25 X 13X 4 , (461) 567+142+558, (462) 546 - 378 - 162, (463) 1458+999, (464) 796+643 - 596, (465) 475 - 303, (466) 265+318+35, (467) 25X 387X 4, (468) 264+ (37+136) +163, (469) 76X 102 , (470) 56X 38+38+43X 38 , (

32、471) 2358+998, (472) 5927 -( 458+627), (473) 3752 - 698, (474) 2000 - 586 - 114 (475) 67X 101 - 67 (476) 125X 48 (477) 34X 126+37X 73+37 (478) 85+137+63+215, (479) 885 -( 301 - 115), (480) 40X( 25+125), (481) 99X123, (482) 64X125, (483) 79999+7999+799+79, (484) 630 - 45, (485) 168X 68+33X 168 - 168,

33、 (486) 126X 72, (487) 875+659+125 (488) 813 - 256 - 344 (489) 77+649 - 649 (490) 99X 7+7 (491) 459X 802+197X 459+459, (492) 125X( 8X 2) +100, (493) 230X 24+240X 77, (494) 46X 101 - 146, (495) ( 841 - 41)- 25X4, (496) 135+39+55+61, (497) 45X 201, (498) 2000 - 25- 8, (499) 17X 43 - 43X 7 ,(427) 2700 -

34、 425 - 175, (428) 125X 88, (429) 41+127+59+173, (430) 1300- 25- 4, (431) 156X 101 - 156, (432) 25X 71X 4, (433) 135X 99, (434) 49X 99+49, (435) 5620 -( 562X 5), (436) 37+125+63+175, (437) 285+195+105+415, (438) 643 - 48 - 12 - 40, (439) 25X 32, (440) 8X48X125, (441) 5400- 45- 2, (442) 360- 45, (443)

35、 148X 8+152X 8, (444) 99X 34, (445) 25X 201 - 25, (446) 1268+227+473+132, (447) 202 X 12-24 , (448) 789 - 511 - 89 , (449) 735 - 238 - 162, (450) 356+83+144, 164-83-17 , 整数简便运算- 8 278 - 122 - 78, 2000 - 125 - 8, 800- 138 - 162, 99X 38+38, 25 X 33 X 4, (125+70)X 8, 101X 87, 312X 4+188X 4, 28 X 225 -

36、2 X 225 - 6X 225, 389+327+211 608 - 154 - 146 587 - 98 125X 53X 80, 150+ (140X8- 252), 178X 78 - 78X 78, 771 - 169+229 - 431, 25X 19X 4 , (25X 125)X( 8X 40), 125X 8X 8 , 35 X 39+65 X 39 , 45X( 200+2), 125X 32 , 195X 115 - 195X 15 , 25+75 - 25+75 , (525) 3200 - 4- 25, (526) 273 - 73 - 27, (527) 538 -

37、( 461+38), (528) 125X 48, (529) 1300 - 25-4, (530) 237 - 125+163 - 175, (531) 156 X 101 - 156 , (532) 78X 103 , (533) 25X 36X11, (534) 14X 37+63X 14 , (535) (25+125 )X 8, (536) 5 X 4 X 20X 25 , (537) 168 - 52 - 48 , (538) 1300 - 25-4, (539) 37+125+63+175, (540) 28X 37+73X 37 - 37, (541) (300 - 1456 - 26)X 32, (542) 8X( 29X 125 ), (543) 99 X 101 , (544) 27X 4