三年级四则混合运算题.docx

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1、 This manuscript was revised by the office on December 10, 2020.三年级四则混合运算题1 . 18 2 2 + 17 = 2 . 2 2 4 3 = 3 . 59 + ( 48 - 46 ) 3 = 4 . 10 ( 2 + 7 ) = 5 . ( 37 - 24 ) 6 = 6 . 44 (2 + 9) = 7 . 66 + ( 49 - 45 ) 2 = 8 . 2 4 2 5 = 9 . ( 2 + 34 ) 2 = 10 . ( 9 + 27 ) 9 = 11 . ( 5 + 2 ) 2 = 12 . 6 3 + 10 =

2、13 . ( 21 3 + 33 ) 2 = 14 . ( 7 6 + 32 ) 37 = 15 . 98 - 36 - 42 = 16 . 45 5 3 + 37 = 17 . 41 + 17 + 4 + 19 = 18 . 4 ( 36 6 - 5 ) = 19 . 58 - 15 - 42 = 20 . 56 ( 55 - 41 ) = 21 . 11 + 31 + 19 + 29 = 22 . 8 + ( 69 - 63 ) 9 = 23 . 78 (17 + 22) = 24 . 24 4 - ( 54 - 51 ) = 25 . ( 18 4 + 19 ) 13 = 26 . 2

3、( 44 + 4 ) = 27 . 67 - 38 - 5 - 18 = 28 . ( 57 + 21 ) 26 = 29 . ( 3 + 2 ) 9 = 30 . 83 - 5 - 16 - 14 = 31 . 4 4 + 27 = 32 . 5 4 6 - 36 = 33 . 4 6 2 2 = 34 . 52 (19 + 7) = 35 . 79 + ( 45 - 44 ) 8 = 36 . 2 7 2 3 = 37 . ( 89- 9) 10 = 38 . ( 24 + 66 ) 9 = 39 . 42 + 15 + 7 + 23 = 40 . 31 + ( 74 - 67 ) 7 =

4、 41 . 60 + ( 97 - 94 ) 5 = 42 . 2 2 2 2 = 43 . 3 + 39 + 54 = 44 . 41 - 4 - 6 - 14 = 45 . 8 5 + 56 = 46 . 49 ( 69 - 62 ) = 47 . 22 + 19 + 20 + 30 = 48 . ( 38 + 34 ) 9 = 49 . 10 7 + 24 = 50 . 54 (3 + 3) = 51 . 69 - 15 - 31 - 9 = 52 . 7 + ( 22 - 2 ) 3 = 53 . 3 5 + 48 = 54 . ( 58 - 53 ) 5 = 55 . 3 2 4 4

5、 = 56 . 42 2 3 + 40 = 57 . ( 36- 4) 16 = 58 . 10 7 + 21 = 59 . 99 ( 38 - 5 ) = 60 . 7 ( 30 3 - 7 ) = 61 . ( 49- 25) 6 = 62 . ( 5 + 26 ) 2 = 63 . ( 95- 63) 16 = 64 . 18 2 - ( 95 - 67 ) = 65 . 2 2 7 2 = 66 . 26 + 6 + 25 = 67 . 5 6 5 - 93 = 68 . ( 13 + 47 ) 15 = 69 . 8 6 + 49 = 70 . 18 3 + 2 7 = 71 . 6

6、4 (5 + 11) = 72 . 2 2 10 2 = 73 . 2 4 + 4 10 = 74 . 54 + ( 47 - 33 ) 2 = 75 . 61 + ( 48 - 30 ) 2 = 76 . ( 49 + 23 ) 36 = 77 . 11 8 - ( 63 - 36 ) = 78 . 6 ( 13 - 10 ) = 79 . 88 - 16 - 16 - 28 = 80 . 14 5 + 4 7 = 81 . 6 4 + 8 4 = 82 . ( 6 9 + 31 ) 17 = 83 . 3 3 10 + 8 = 84 . ( 44 - 28 ) 6 = 85 . 3 ( 3

7、2 - 28 ) = 86 . 22 2 + 4 9 = 87 . 80 2 2 + 6 = 88 . 5 3 3 2 = 89 . 94 - 40 - 20 = 90 . 67 + 9 + 8 + 6 = 91 . ( 9 + 28 ) 2 = 92 . 27 2 + 6 5 = 93 . 12 6 + 10 2 = 94 . ( 3 3 + 21 ) 2 = 95 . 3 3 + 7 8 = 96 . 12 4 - ( 32 - 7 ) = 97 . 13 + ( 24 - 17 ) 6 = 98 . 7 2 + 44 = 99 . ( 78- 58) 10 = 100 . 32 2 8

8、+ 66 =1. 892. 483. 654. 905. 786. 47. 748. 809. 7210. 411. 1412. 2813. 8014. 215. 2016. 4017. 8118. 419. 120. 421. 9022. 6223. 224. 9325. 726. 9627. 628. 329. 4530. 4831. 4332. 8433. 9634. 235. 8736. 8437. 838. 1039. 8740. 8041. 7542. 1643. 9644. 1745. 9646. 747. 9148. 849. 9450. 951. 1452. 6753. 63

9、54. 2555. 9656. 4757. 258. 9159. 360. 2161. 462. 6263. 264. 865. 5666. 5767. 5768. 469. 9770. 6871. 472. 8073. 4874. 8275. 9776. 277. 6178. 1879. 2880. 9881. 5682. 583. 9884. 9685. 1286. 8087. 2688. 9089. 3490. 9091. 7492. 8493. 9294. 4495. 6596. 2397. 5598. 5899. 2100. 6822+1220=4520+100=(28+12)30=

10、302360=2001510=28+1230=(12+20)45=(4812)+6=7832=(25+38)15=3693+1272005=(159+456)205+14652=21002153+2255=(103-33621)15= 800(200096008)= 4048(1472+328)5= (488+344)(202194)= 294028+1367= 605(500494)1898= (2886+6618)(400346)= 9125(182+3522)= (15476)(38+49)= 38001369798=(104+246)(987)=9189(108-99)=(8645+4

11、040)5=(2944+864)(11379)=80801877+18813=(50114385)+3397=23001122(21-15)=816(452625118)=(7353+927)(801-792)=(28+172)(24+16)=624048+6348=950286+666=86(35+1179)=2500+(3601604)=16463=393486=244423=76123=564728=29402821= 9201680407=690+4752398=148+33286475= 3602432+730= 210094+4854=51+(2304-2042)23=4215+(

12、4361716)81= (247+18)2725=36720(36018)= 1080(63-54)80= (528+912)56178=85284138904= 264+318-828069= (174+209)269000=814(278+322)15= 1406+735945= 3168-782838+504=796-5040(6307)= 285+(3000372)36= 546(210-195)30452/3+1/315=7/19 + 12/19 5/6=1/4 + 3/4 2/3=8/7 21/16 + 1/2=101 1/5 1/5 21=5016040=(58+370)(644

13、5)=12014418+35=347+452-416052=(58+37)(6495)=95(6445)=17814556+42=420+580642128=812700(9+3111)= (136+64)(65-34523)=85+14(14+20826)=(284+16)(512-820818)=120-36418+35=1253+1255+253+25=99993+10111(101-92)= (23/4-3/4)(36+2)=3/7 49/9 - 4/3=8/9 15/36 + 1/27=12 5/6 2/9 3=8 5/4 + 1/4=6 3/8 3/8 6=4/7 5/9 + 3/

14、7 5/9=5/2(3/2 + 4/5)=7/8 +(1/8 + 1/9)=9 5/6 + 5/6=3/4 8/91/3=7 5/49 + 3/14=6 (1/2 + 2/3)=8 4/5 + 8 11/5=31 5/6 5/6=9/7 (2/7 10/21)=9201680407= 690+4752398=97126+43=2641255=148+33286475=3602432+730= 210094+4854=51+(23042042)23= 4215+(4361716)81= (247+18)2725=36-720(36018)= 1080(6354)80=(528+912)56178

15、=85284138904= 264+318828069= (174+209)26 9000=814(278+322)15=1406+735945= 3168782838+504=7965040(6307)=285+(3000372)36=546(210195)30=3/749/94/3=8/9 15/36 + 1/27=12 5/6 2/9 3=6 3/8 3/8 6=4/7 5/9 + 3/7 5/9=5/2 (3/2 + 4/5)=7/8 +(1/8 + 1/9)= 9 5/6 + 5/6=3/4 8/9 1/3=7 5/49 + 3/14= 6 (1/2 + 2/3)=8 4/5 + 8

16、 11/5=31 5/6 5/6=9/7(2/7 10/21)= 5/9 18 14 2/7=4/5 25/16 + 2/3 3/4= 14 8/7 5/6 12/15= 17/32 3/4 9/24=3 2/9 + 1/3= 5/7 3/25 + 3/7 = 1/5 2/3 + 5/6=9/22 + 1/11 1/2= 5/3 11/5 + 4/3=45 2/3 + 1/3 15=7/19 + 12/19 5/6= 1/4 + 3/4 2/3=8/7 21/16 + 1/2= 101 1/5 1/5 21=5016040=(58+370)(64-45)=12014418+35=347+452

17、416052=(58+37)(6495)=95(64-45)=17814556+42=420+580642128=812700(9+3111)=2/31/21/42/5=26/139/262/3=2/91/24/53/8=105/91/64=1/22/59/109/20=5/93/102/72/5= 1/21/44/51/8=3/45/74/31/2=238/91/271/27=85/62/54=1/23/45/124/5=8/93/43/83/4=940529402821=9201680407=690+4752398=148+332864-75=3602432+730=210094+4854=51+(23042042)23=4215+(4361716)81=(247+18)2725=36720(36018)=1080(6354)80=(528+912)56178=85284138904=264+318828069=(174+209)26 9000=814(278+322)15=1406+735945=3168782838+504=7965040(6307)=285+(3000-372)36=546(210195)30=

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