小学三级暑假数学计算练习题-每天20题

1、(1)396 + 3 -2 (2)25 X 8-4 (3)985-168+ 4 648+480+ 3(5)124-735 + 7 (6)(22+34)+ 8 (7)45+ (15 + 3) (8)(601 -246)X 4+72(12)305 X 3-154(9)205+7 X 8(10)62-(25-7) (11)32(13)96 X 4+80(14)120-800+ 10 (15)57 X 8-406 (16)99X 2+3(1)150 X 30+ 5 650+25X 8 (3)210-50X 3 (4)6012 + (200-194)(5)360 + (20-5) (6)625+ (15

2、 + 3) (7)681+27 X 4 (8)23+253 X 4(9)720 + (15-3 X 2)(10)(108+54)(13)550 + 11+80(14)368+35X 5 (11)45+165+ 3 (12)44 X 12+28X 11(15)252+ 6+35 (16)48+ (2+6)(1)(69+21) X 9 (2)(10+25) X 44 (3)234+ (205-199) (4)(75+315)+ 5(5)100 + 25 - 4 (6)135-75+ 5(7)182+ 13+34(8)120+ (30-6)(9)196+24 X 18 (10)466+14 X 2

3、(11)(205-198) X 4 (12)240 X 3-154(13)203-135 + 9 (14)(124-85)X 12 (15)45 + 9X 24 (16)(270-180)+ 30(5)1005 + 5-3 (6)996-6 X 2(7)256X 7X 5(8)150(9)726+247 X 3 (10)4176+ 3 -3 (11)1912 X 3 -4 (12)328+16 X 3(13)6024 + 3-4 (14)280X 5 -4(15)718-75X 8 (16)(187-24)X5(17)615-74 X 8 (18)275 X 6-3 (19)5 X (399-

4、214) (20)(582+6467)(1)424 X 3X 2 328+172 X 6 (3)347X 4-192 (4)34+306 X 2(5)451+549 + 3 (6)37 X 100-37 (7)6 X 25+75 X 6 (8)720+ 5-80(9)4 X 38-12(10)257X 4 -2 (11)345+255-5 (12)567 X 2X 5(13)369 X 4 -3 (14)45X 9+55X 9 (15)198-98X 2 (16)(741-159)(5)230 X (140-132)(2534-958)+ 8 (7)792X 7-9 (8)708-35X 20

5、(9)(120-103)X 50 (10)50+160+ 4 (11)493+25X 7 (12)(95-95)X 74(13)78 X 7+80(14)(532-391)X6 (15)1208-230 X5 (16)700-57X9(17)615 X 9+77 (18)792 X 7 -9 (19)4280 + (19-11) (20)(2534-958)(5)284+16 X 8(6)(284+16)X 8 (7)(58+37)X 5 (8)120-36 X 2(9)26 X 4+221(10)147+72X 8 (11)202+36X 9 (12)305X 3+666(13)96 X 5

6、+775(14)921 - X 4 (15)770+ 7+65 (16)640 X 2+396(5)(6900-2400)+ 5 (6)6 X 250 X 0 (7)810 X 4 -4 (8)153+ 153+657(9)687+99 X 6(10)3390-25 X 7) (11)689 X 2+72(12)362 X 3-154(13)296 X 4-79(14)120+800+ 40 (15)98 X 8-623 (16)399 X 2+451(17)535 X 4 -5(18)345 X 9-305 (19)82 X 7+825 (20)467+807 X 3985-168648+4

7、80+ 3124-735 - 734+ 22+ 845601 246+ 5205+ 7X 862-25-7 32 X 4+ 72305 X 3-154523+248-475470+ 5-28459+ 9X 7294+ 399+ 7 258- 383359432-1892022900473227 406 369 94 68381 - 81 - 9460177-177698- 245- 15545629981542 128 272853 109-85363X 7 540550 45X 9838- (138 27596 X 4+ 80120+ 800 - 1057X 8- 4062083422928

8、03-58911199 X 2+3 235178165605 X 3+ 745X 9 3351000 487 5138 X 37 460289 578 189 329 332 171 836 529436207 X 8 987123 377X 2 1948 539648406 X 7 669438279362200 150X 30 650+ 50 X 36012- (200 - 194) 72- 6X 4-3396 - 3 -225X 8 -4985-168- 4648+480- 3205 + 7X 862-25-732 X 4+ 72305X 3-154523+248-47526415947

9、90047322781 81 + 9542128272838138275208 342292615X 3 7123 + 377 X 21948+ 539648 406X 7 669 438+ 279+ 362200 + 150 X 30650+ 50 X 36012+ (200 194)470+ 5-2875 + 360 - (20 5)726X 4-3 75 + 360 - 20 5(75+ 360) - (20 5)12+ (40 -5X 24)(5625+ 3675) - (15 - 5)681+ 27X 4-223+ 253X4720-(15 3X 2) 3889 (108 + 41)

10、 X 5 (800 + 200-50) X 345+ 165-3368 35X 11 365 328X 73 55 4535 500+ 782 777466 + 14X 263248X 12 + 86 252 - 6+ 35X 7672-(3 X 25 73)48- (2 + 6)703 24X 25252+144 - 30829823 X 46 - 293X51542882 - 41 X 68(69+ 21) X (72 - 8)(16+ 20) X 35(126 87) X 12 -26234+ (205 199)(75+ 315) - (25 20)100- 25-4(10+25)X 4

11、4(121 92) X 12-6620 530-5178(83 + 360 - 60)87030 -15+ 13420+ 60) - 3025X 32X 125460+ 30 21 - 39000 75X 24960 + 15 28(49+ 21) X (48 + 8)45+ 180 + 3084146 + 25 X 17- 12075+ 240-5315 67X 4103X 50- 40+ 545X 79- 175+ 548 + 52+ 2022 X 4+ 22121X 3+ 41040+2+174125X8 X 775+ 25X 4120X5+2202+36+930+5+2409X4+42

12、02X80+481 - 9+ 87766X 5+774921+7X4147+ 72 - 8807 + 20 - 2100-50 - 535-35- 7302 30X 280X 6X 2770+ 7+6560- 12X 364+ 8+ 456640 60X 440+ 100+ 5434 25X 55X 7 -48 - 672- 8+ 9X 536- 4+ 21 X 225- 5- 16-4500X (400 - 396)72 - 9 -5564+264-4537650-(546+4530)65X 9-45056 - 7+ 36 - 66700+72- 814 X 6+9 X 5900+ (71-

13、68)180 + 9-42 + 6 9 X 80+980 9000-(4500+250) 6500+1250-350080X 30+56009450-3200-42008X (910-720)760-540+11102400 - 6 -45800X 7-1801600+ 2+ 23012- 6+ 45 X 34000+8+350320-8+ 64630+ 9+3202800+32X 6300 + 6X 9(6900-2400)+ 572 - 9* (56 * 8)54* 9 X 860X 8+157060X (23-17)960+ 4X 9350* 5X 9160 - 160-80750+ 5

14、50 - 5(6900-2400)-5 75- 15+ 20 X 5(1 7)X(16-6)810X 4-433- 11 + 4X 9125187+ 299- 299587+ 496 - 6742660+ 26 - 26(111+ 189) X 3300-(300 - 222)75- 15 + 20 X 5150 75X 25 - 20153 - 153+657(250 150) - 5 687 + 999-33390 10X 95(4870-3675)+ 7200-9(9467-5642) - (350 - 70)6 X 250 X 0270- 3X 915-3+10-522X 4+2212

15、1X 3+41040- 2+174147+72-825X 8-4985-168十 4648+480- 3124-735 - 734+ 22+ 845+ 15-3601 - 246+ 5205 + 7X 862- 25-7 32X 4+ 72305X 3-154470+ 5-28459-9X 7294+ 399 - 7523+248-4752022900473227 406 369 94 683 258- 383359432- 18981 - 81 - 9460177- 177698- 245- 15545629981542 128 272853109- 85363X 7 540550 45X

16、9838- (138 27596X 4+ 80120+ 800 + 1057X 8- 406615 X 3+ 745 X93351000 487 5138X 37 460289 578 1 89329332171836529436207X 8 987539648406X 7 669438279362123377X 21948200 + 150X 30+ 565050X 36012+ 6 93675 360+ 20 5720-(15 3X 2)3889(10841)X 5(800+ 200- 50) X 345+165-3960-40 - 20 15640- (80 20 X 3)44X 12+

17、 29550- 110 15X 4368 35 X 11365 328X 73 55632 48X 12+ 86 252 - 6+ 35X 7672-(3 X 2573)48-(2+ 6)703 24X 25252+ 144-308 298(16 + 20) X 35(12687) X 12 -26234- (205 199) (75+ 315) - (25 20)100 + 25 + 4(10+ 25) X 44(121 92) X 12-6620 530- 5X 2178 (83 + 360- 60)870 30- 15 420+ 60) - (275 245)25 X 32 X 1254

18、60+ 30 21-39000 75X 24960- 15 28(49+ 21) X (48 - 8)466 + 14X 22400-60- 16X 2420- (205 - 198) X 444 X 12+ 29203 135-9(84-4) X 9 -6(65+ 250) - (18 - 13)36X 13 + 207-328+ 120X 8(124-85) X 12-21825-45-9X 24(270-180) - 3072-12X6+43(59+31)X(96-8)1024-(680+640-8) 640-8-50987 + 3X 696X (28 - 75 - 5)1674-45-

19、 9X 10056-(2517)291 X 4X 5555X 7X 478X 3-91005996 + 6X 2256X 7X 545+ 3+ 5150X 4- 106024 - 3 -42800X 5 -41089-400311328+ 16X 2100- 36+ 4718- 75X 3187- 24X 52335- 74X 8275 X 6 -35X399- 214582 + 6467+ 7424X 3X 2328 + 172X 651612377347X 4 - 1922762- 762- 78720 + 8-801865- 468- 3324X 38- 123689+ 498- 689

20、169+ 584+ 731345+ 255 + 5257X 4-2256+ 389+ 211567X 2X 5369X 2 -3258+ 493- 5845X 9+ 55X 9198 - 98 X 2741 159- 65445282321-39+684+7+ 35X 4540+9-300+6120 X 3-90X230X4+ 60X 5488+4-23X4345456155480-8 + 320- 4180 + 9-187X 34+56 48+52+ 5100-25X420+80X 3105X 2X 5800-57X9 65+16+ 9707 35 X 20(120103) X 5050+

21、160 -4058+370+ (64-45)120-144 - 18+35760+10+ 389519X 5+7424X5+24X745X 20X395+ 64-45 48+8X 750+160+ 40493+25X79595+7414+20+ 585+14 X 3284+16X54280+191178 X 7+ 81 + 950213918X 61208 - 230 X 580+ 9-1848+52+ 5120+ (30 - 6)20+80X 37X 34+56105 X 2X 5800-57 X 965+16+ 9230 X 140-13224 X5+24X 7(2534-958) +87

22、92X7+95021- 3918X 61208-237X 54280+ 19-11190360+24(14060) X(26-8)78X7828(359-42) X5364707 35 X 20 120- 103X 5050+ 160-4058+370- 64-45120-144 - 18+35760- 10-389519X5- 7445 X20X 3270+ 180-5347+45 X 2295- 64-45178-1280+ 650-139+31 X1136+64X 6585+14X 14-8 284+16X 8120-36 X 258+37X 522X4+22121X3+41040 -

23、2+ 174147+ 72 - 89X 4 4202X 80 - 4120 X 5 -2202+ 36+ 930+ 5+ 24081+ 9+ 87766X 5+774921+7X480X 6X 2770+ 7+65807 + 20 - 2100-50 - 535-35 - 7302 30X 2600 X 8 -340+ 100+ 543425X 560- 12X 310X 4-20-415+ 3+ 10-52521X 4- 54* 972* 8 9X 536* 4 21 X 256* 736* 6500X (400 - 396) 72* 9- 5X 9-4509 X 80+980564+264

24、-4537650-(546+4530)659000-(4500+250) 6700+72-814 X 6+9 X 5 900- (71-68)12 -6+ 45 X 38X (910-720)760-540+11106500+1250-350080X 30+56009450-3200-42002400-6 -45800 X 7 - 1801600 + 2 + 2304000+ 8 + 350320+ 8+ 6427060X 8+157060X (23-17)960350450 - 5+1250(6900-2400)+ 575+ 15+ 20 X 53090 6X 6(387 387) 0160160-80