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1、小升初真题混合运算专项练习(有答案) 1 (2012?瑶海区)基本计算: 428 32 ( 4+4) 12781278 2 (2012?武胜县)计算 9080 3526 17 3.4+1.48 ()(+ ) 34 (+)+ 10(+ ) 3( 2012?武胜县)计算,能简算的要简算 2004+755445 (0.125 80.5 ) 4 32% 76.4+1.363.2 + ()(+) 111056 () 4 (2012?武胜县)计算 (10825)( 7518) 3.5 ( 20.6 16.8 4.8 ) ()(+ ) 7 4(+ ) 5 (2012?万州区)计算: 95.4= 78026=
2、 3.14 3= 27= 625199= 10+0.1= 0= 9.420.1= = 0.4 2= 1= 1+ = 6 (2012?桐庐县)计算 9213+28 4.2 1.5 0.36 78 11 55 2 36(+ ) 7 (2012?天柱县)脱式计算 306015251.04 + (+)(5) () 8( 2012?桃源县)脱式计算 9987+87 18.7 3.375 6.625 5(+0.5 ) 2 () 9( 2012?苏州)计算下面各题,能简算的要简算 6301824 0.7+3.9+4.3+6.1 16+4 ( 7.57.5 0.6) 4 (+3) 10 (2012?顺昌县)脱
3、式计算 (能简算的要简算) 147562439 9+ +() ( 1) 11 (2012?泉州)用递等式计算 (1)1379+4501840 (2) (3.2 16+10.8 ) 22 (3)+ (4)() 12( 2012?硚口区)脱式计算 (友情提醒:有的可以 简算) 80060832 5 3.683.60.2+0.18 489.9+48 0.1 (1) 0.25 4 (66) 12 13( 2012?吉水县)脱式计算,能简算的要简算 971+35.6+06 1375+45015 25 4.5+ (13+13) 48+48+488 94.47( 94.4786.555) 3.42 76.3
4、+76.35.76+9.1823.7 14( 2012?洪山区)能简便的要用简便方法计算,写 出主要过程 (1)360+240 1528 (2)62.4 0.31.4 (3)6+6 (4) (0.4 ) 15 (2012?凤阳县)用递等式计算,能简算的要简算 (1)43 842015 (2)+2+3 (3) 15 (4) (+) (5)3.9 9.77+0.23 3.9 (6)+() 16 (2011?漳州) 计算下面各题, 怎样简便就怎样计算 420216 1817 2512.532 + 40 (+ ) 17( 2011?游仙区)用自己喜欢的方法算 ( 315+285)( 315255) 5
5、(+) (+ ) 36 3.3+0.75 3.7+75%3 18( 2011?永州)下面各题,怎样简便就怎样计算 405( 2017243) + 17.316.153.85 () 19( 2011?武昌区)递等式计算: 360 2251518 4.721.162.84 + 20( 2011?田东县)计算下列各题 860 56087 (5.9+1.65) 2.5 (+) 20 (+ ) 21( 2011?瑞安市) (1)360+241530 (2)0.25 7.2+2.8 0.5 (3)298 (4) (+) 22( 2011?南县)下面各题,能简算的要简算(能简 算的要写出主要简算过程) 10
6、9x+109x 9.5( 4.6+5.8) 1.3 23( 2011?金堂县)用自己喜欢的方式计算下面各题(要 写出主要的解答过程) (1)360080040 35 (2)6415.8 14.2 (3) (4) (5) (6)382.5 ( 4.36+3.64 ) 24 (2011?淮南)选择合适的方法计算(要写出主要的 计算过程) 676013+1721 3.334.5+4.5 6.67 25 (2011?河西区)脱式计算 (能简算的要简算) 5313+21 1.65 45+551.65 1 (+ ) 26 (2011?河池)用你喜欢的方法计算 251285017 0.25 99+25% 6
7、7 () 13+417 27 (2011?海州区)神机妙算: 284214+743 () 3.6 99+3.6 () + 72() 28 (2011?丰都县)脱式计算 (384+336) 1513 (11+30.6) 16+16.5 2 1(+) 29 (2010?自流井区)计算,能简便的要简便 (73.6 0.16+370 ) 18 3.84 +5.16 30 (2010?雨花区)计算下列各题,能简便的要简便计 算 361845+1620 6767( 23+19) 200.8 736.3 2008 118( 14+2.5 45) 9997+9593+9189+7 5+31 200820082
8、0082009 31 (2012?咸安区)灵活计算 32 (2012?仙游县)神机妙算: (+)() + () 3 (+) 12= 33 (2012?万州区)怎样算简便就怎样算 520+261313 5 (+)+ (+) 62.5%+ 34 (2012?遂昌县)用递等式计算 1 (+) 36 (+) 36 7.5 4.7+4.7 2.5 25.3 1233.46 0.35 ( 1) +() 35 (2012?绍兴县)递等式计算(能简便的要简算) + + (15626) 2012+5581824 3.87+1.44 0.87+0.56 35( 1) 36 (2012?平坝县)用递等式计算,能简算
9、的要简算 13.54 6.88 3.12 (+)+ 37 (2012?陕西) 131 +86.6 38. (2012?瑞安市)脱式计算,能简算的要简算 5+ (+) 18 39. (2012?乐清市)直接写得数 +0.375= 9( 0.5 )= = 12 (+ )= 2= 9= 22= 90.5 99+90.5= 0.125 0.25 32= 40. (2012?金沙县)脱式计算,能简算的要简算 25() 12 5 + 99101 1.25 322.5 4.3 6.7+0.67 676.7 41. (2012?建华区)计算下面各题 657+3604519 21 28.6( 12.6+18.4
10、) 1.6 () 42 (2012?河池) 计算下面各题, 怎样简便就怎样计算 + + 13 43 (2012?河池) 计算下面各题, 怎样简便就怎样计算 44. (2012?汉阳区)选择合适的方法计算 292929341422 (+ ) 24 (+ ) 45. (2012?海港区)脱式计算 (+)+ 91 () 1.02( 5+0.4 0.25 ) 46. (2012?福州)用递等式计算,能简算的要简算 + = 2 = 56 () 1 () 47. (2012?福州)计算下面各题,能简便的要简便 41.25 8 () + 1() + 48. (2011?沿滩区)计算 847010465; 0
11、.6( 5.31.7) 0.9; 5.20.86+42; (); () 49. (2011?新邵县)下面各题,怎样算简便就怎样算 50 (2011?厦门)计算: (1) (+)+ (2)1 (+) (3) 51. (2011?龙湾区)用递等式计算,能简便的要用简便 方法计算 5 9+ 5() 48(+ ) 52 (2011?嘉禾县)用递等式计算下面各题: (1514) 21() 53. (2011?滑县)怎样简便就怎样算 +3 5 0.125 + () 54. (2011?福州)计算下列各题(能简算的写出简算 过程) ( 1)4.27 +4.73 8+ , (2) (2.3+2.3+2.3+2
12、.3) 2.5 , 55 (2011?福安市)下面各题怎么简便怎么算 (); 7832 ( 1)+144 ; ; 0.32 2.5 0.125 56 (2011?东莞)选择你喜欢的方法进行计算: 27 ( 1) 9 4.25+4 (6 3)( 13+11 ) 57 (2011?毕节地区)计算下面各题,要写出计算的主 要过程 58. (2011?巴中)计算下面各题,注意使用简便运算 (1) (2) (3) (1514) (4) + (5) (+ ) (6) 59. (2011?北海) 60 (2010?重庆)计算下面各题,能简算和要简算 (+ ) (+ ) 6.28+5.74+3.72+5.26
13、 61 (2012?康县)计算 (能简算的要简算) 1.9 1.9 () 1 () 48 85 23+ 62 (2012?姜堰市)计算下面各题,能简便计算的用简 便方法计算 4.82 5.2 0.8 0.6 () + 12.3 99 57.5 14.25 15 3.2 12.5 0.25 63. (2012?丰润区)用最喜欢的方法计算 12.538 0.8 (8.54)( 0.321.6) 6.54.6+6.5 15.4 64. (2012?东城区)脱式计算 0.6+320.256 (+ ) 65 (2012?城厢区)计算下面各题,能简算的要简算 96( 7214.4 ) 3.6 (+ ) 1
14、2 36+36 () 66 (2011?温江区)计算 (1)22.7 1.8+17.3 18.2 (2)3899+373737 (3)3856 3856 (4) (5) (6)38.4 13+30.8 26 67. (2011?满洲里市) 计算下面各题,能简算的要简算 6.81.360.64 (2.573) 0.4 + 0.25+ 32.5 1.7+32.59.332.5 68. (2011?建华区)计算下面各题 13.5 ( 6.9+6.1 ) 2.6 15 573+900 3615 ()+ 69. (2011?邗江区)脱式计算 (2.8+4.6)( 2.62 ) 0.25( 32+64)
15、0.6 () 1 () 70. (2010?云龙县)用递等式计算 3.62.8+6.47.2 ( 6.93.15) 0.30.8 ()1 () 1 71. (2010?徐闻县)计算下列各题,能简算的要简算 (1)() 36 (2)5.28( 2.56+0.44)+1.72 (3) (4)2512.532 (5)( 54.75)( 22.5 3) (6)277+43( 1) 72. (2010?霞浦县)怎样算简便就怎样算 20.316456015 2.50.12532 6.3 73. (2010?双阳区) (1)40.50.81 162.4 (2)() (3)6.721.2 (4)18.15.7
16、4.3+1.9 (5)3.84.2+380.58 (6)1.2591.25 74. (2010?曲周县)选择你喜欢的方法计算 3.62.8+6.47.2 6.3 +13.7 15 (+) 17+23 75. (2010?萝岗区)计算 (写出解答过程,能应简便 方法的要用简便方法) (1) (0.1258 0.5) 4 (2) (+ ) (3)907+907 9900 (4)9+() 76 (2010?龙湾区)用递等式计算,怎样简便就怎样算 (1)3.7 2.2+7.3 7.8 (2)375+4501825 (3)2.9 +1.1 (4)() 77. (2010?龙海市)选择合适的方法,计算下面
17、各题 18.7 4.3756.625 920402350 12 (+) 4.4+3.6 1+0.75 2 78. (2010?乐清市) (1)4.5 9.9+0.1 ; (2)16+; (3)1.25 2.5 3.2 ; (4)8.1 ( 96.3 1.4 ) ; (5)59+5913+1441 79 (2009?重庆)脱式计算 30.5 4082.4 1.6 +2.4 8.5+ (0.005 700) 2 (1.5 ) 80. (2009?宜昌)用自己喜欢的方法计算 2051051245 1.05( 3.80.8) 6.3 (+) (+) 50% 88434+1721 3.75 ( 1.2
18、)+ 81 (2009?淇滨区)计算: 45.78+45.7899 3.6 2.8+7.4 7.2 67+33 82 (2009?成都) 12.5+2.5 0.4+1 83. (2008?资中县)用递等式计算(能简算的请简算) 7.64.8+8.45.2 40.82.51.25 + 13753751518 1.05( 3.80.8) 6.3 () 84 (2008?武进区)用递等式计算: 0.6 0.2 1.9 7.6 ; 5; 1.02 ( 5+0.4 0.25 ) ; (+ ); 3() 85 (2008?汕头)混合运算 (能简便的要写简便过程) 4.5 8.8 2.2 4.5 4.5 3
19、8 15.4+0.125 4.6 86 (2008?邗江区)用递等式计算,能简算的要简算 (1)18 10.4 ( 6.2 4.9 ) (2) (3)2 (4)3.6 0.4+1.3 5 (5)6.85 ( 0.75+0.2 ) 0.5 (6)56 () 87 (2008?广西)灵活计算下面各题 (1)54.755.2514.75 (2)16.4( 4.320.4) (3)1.2532 (4)1 () 88 (2008?大足县)脱式计算(其中、两小题必须 简算) 7302401516 2.06 ( 1.73 0.29 ) 1.5 (+) 6.8+2.37+7.63+4.2 17 9+38 89
20、. (2007?浦东新区) (1)13.72 1.65 2.35 (2)2.4+3.6 1.2 0.2 (3) (12.5+1.25 ) 0.8 (4)5.4 7.2+2.8 5.4 (5)2( 1.2 0.4 2.5 ) (6)0.3 ( 13.4 10) 0.5+1.5 90 (2008?长汀县)用递等式计算(能简算的要用简便 方法计算) 20 9.07 99+9.07 + 2 2.3+3.91 ( 2219.7 ) () 参考答案: 1 42832 ( 4+4) , =42832 8 , =4284, =107; 12781278, =12712788, =88, =64 2 (1)90
21、803526, =9080910, =8170; (2)17 3.4+1.48 , =5+1.48 , =6.48 ; (3)()(+) , =, =() , =, =; (4)34, =9 4, =124, =3; (5) (+ )+, =, =+, =; (6)10 (+) , =10(+ ) , =10 , =10, =81 3 (1)2004+7554 45, =2004+405045, =2004+90, =2094; (2) (0.125 80.5 ) 4, =(10.5 ) 4, =0.5 4, =2; (3)32% 76.4+1.36 3.2 , =32% 76.4+13.6
22、0.32 =0.32 ( 76.4+13.6 ) , =0.32 90, =28.8 ; (4)+, =+, =; (5) ()(+) , =, =; (6)111056 () , =111056 56 , =111024 21 , =11103, =370 4 (1) (108 25)( 7518) , =, =18; (2)3.5 ( 20.6 16.8 4.8 ) , =3.5 ( 20.6 3.5 ) , =3.5 17.1 , =59.85 ; (3) ()(+ ) , =, =; (4)7 4(+ ) , = 7 4 , = 7 4 , = 7 5 , = 2, = 595.4=3
23、.6 , 780 26=30, 3.143=9.42 , 27 =15, 625 199=426, 10+0.1=10.1, 0=0, 9.420.1=0.942 , =, 0.4 2=0.16 , 1 =, 1+ = ; 6 92 13+28 =1196+28, =1224; 4.2 1.5 0.36 =2.8 0.36 , =2.44 ; 78 =(791), =791, =3, =2; 11 =4, =3 ; 55 =55, =155, =25; 2 =2, =; 36(+) =36+36, =6+24, =30 7 (1)3060 15251.04 =20426, =178; (2)+
24、 =+, =+, =; (3) (+)(5) =, =; (4)() =+ , =, = 8 (1)9987+87, =(99+1) 87, =10087, =8700; (2)18.7 3.375 6.625 , =18.7 ( 3.375+6.625 ) , =18.7 10, =8.7 ; (3)5 (+0.5 ) 2, =5 2 , =6 2 , =3; (4) () , = , =, = 9 6301824, =3524, =840; 0.7+3.9+4.3+6.1, =(0.7+4.3 )+(6.1+3.9 ) , =5+10, =15; 16+4, =(16+4), =20, =
25、8; ( 7.5 7.5 0.6 ) 4, =(7.5 4.5 ) 4, =34, =0.75 ; (+3), =(+), =(+), =, =; () , = () , = , = , =, =1 10 147562439 =105016, =1034; 9+ =+, =(+ ), =, =; +() =+, =+, =; ( 1) = , =, = 11 (1)1379+4501840, =1379+2540, =1379+1000, =2379; (2) (3.2 16+10.8 ) 22, =(0.2+10.8 ) 22, =1122, =0.5 ; (3)+, =(+), =1, =
26、; (4)() , =, =12, =12, =3, = 12 (1)800608325, =800195, =80095, =705; (2)3.68 3.6 0.2+0.18 , =3.68 0.72+0.18 , =2.96+0.18 , =3.14 ; (3)48 9.9+48 0.1 , =48( 9.9+0.1 ) , =4810, =480; (4) (1) 0.25 4, =0.25 0.25 4, =14, =4; (5) (6 6) 12, =(64) 12, =212, = 13 (1)971+35.6+0 6 =97+35.6+0 , =132.6 ; (2)1375+
27、4501525 =1375+3025, =1375750, =625; (3)4.5+ (13+13) =4.5+ (132) , =4.5+9.75, =14.25 , =8.55 ; (4)48+48+488 =(+8) 48, =948, =432; (5)94.47 ( 94.47 86.555 ) =94.47 94.47+86.555 , =0+86.555 , =86.555 ; (6)3.42 76.3+76.3 5.76+9.18 23.7 =(3.42+5.76 ) 76.3+9.18 23.7 , =9.18 76.3+9.18 23.7 , =(76.3+23.7 )
28、9.18 , =1009.18 , =918 14 (1)360+2401528, =360+1628, =360+448, =808; (2)62.4 0.3 1.4 , =2.5 0.42 , =2.08 ; (3)6+6, =(+ ) 6, =16, =6; (4) ( 0.4 ), =, =, = 15 (1)438420 15, =34428, =316; (2)+2+3, =(+ )+(3+2) , =1+6, =7; (3)15, =, =; (4) (+ ), =, =, =; (5)3.9 9.77+0.23 3.9 =3.9 ( 9.77+0.23 ) , =3.9 10,
29、 =39; (6)+(), =+, =+ , = 16 (1)4202161817, = 1817, =17, =; (2)25 12.5 32, =2512.5 84, =(254)( 12.5 8) , =100100, =10000; (3)+, =+, =(+), =1, =; (4)40(+ ) , =40 , =40, =80 17 (1) (315+285)( 315 255) , =60060, =10; (2)5(+) , =5( 4) , =54, =; (3) (+) 36, =36+ 3636, =9+612, =3; (4)3.3 +0.75 3.7+75%3, =(
30、3.3+3.7+3 ) 0.75 , =100.75 , =7.5 18 405( 2017243) , =40516, =6480; +, =(+) , =; 17.31 6.15 3.85 , =17.31 ( 6.15+3.85 ) , =17.31 10, =7.31 () , = , =, =3 19 (1)3602251518, =3601518, =360270, =90; (2), =, =; (3)4.72 1.16 2.84 , =4.72 ( 1.16+2.84 ) , =4.72 4, =0.72 ; (4)+, =+ +, =+ +, =1+ , =1 20860 5
31、6087 =860707, =860490, =370; (5.9+1.65 ) 2.5 =7.55 2.5 , =3.02 (+) 20 =(20+20), =(15+16), =31, =21; (+ ) = , =, = 21 (1)360+2415 30, =360+30, =360+48, =408; (2)0.25 7.2+2.8 0.5 , =1.8+5.6 , =7.4 ; (3)298, =( 298) , =21, =9; (4) (+), =(+ ) 24, =24+ 2424, =20+2110, =4110, =31 22 (1)109 x+109 x, =(109+
32、109) x, =218x; (2)9.5 ( 4.6+5.8 ) 1.3 , =9.5 10.4 1.3 , =9.5 0.8 , =8.7 ; (3), =+, =+, = 23 (1)36008004035, =36002035, =3600700, =2900; (2)64 15.8 14.2 , =64( 15.8+14.2 ) , =6430, =34; (3), =(4027), =13, =9; (4), = 3636+36, =156+14, =9+14, =23; (5), =(185+1), =14, =9; (6)38 2.5 ( 4.36+3.64 ) , =382.
33、5 8 , =3820, =1.9 24 (1)676013+1721, =520+357, =877; (2)3.33 4.5+4.5 6.67 =(3.33+6.67 ) 4.5 , =104.5 , =45; (3) (+ )() =, =; (4) =12 , =12, =48 25 (1)5313+21, =689+21, =710; (2)1.65 45+551.65 , =1.65 ( 45+55) , =1.65 100, =165; (3)1 (+) , =1 , =, = 26 (1)251285017, =30050, =250; (2)0.25 99+25% , =0.
34、25 ( 99+1) , =0.25 100, =25; (3)67, =, =; (4) () 13+417, =13+13+417, =+, =+(+) , =+1, =2 27 (1)284214+743 =284872+743, =203+222, =425; (2)() =12, =10 ; (3)3.6 99+3.6 =(99+1) 3.6 , =1003.6 , =360; (4)() =, =; (5)+ =+ , =(+), =1, =; (6)72() =7272, =4030, =10 28 (1) ( 384+336) 1513, =7201513, =4813, =6
35、24; (2) (11+30.6 ) 16+16.5 , =41.6 16+16.5 , =2.6+16.5 , =19.1 ; (3)2, =2, =2(+ ) , =21, =2; (4)1 (+) , =1 , =, = 29 (1) (73.6 0.16+370 ) 18, =(460+370) 18, =83018, =14940; (2)3.84 +5.16 , =3.84 +5.16 , =(3.84+5.16 ), =9, =12; (3), =7.35 0.35 , =(7.35 0.35 )(+) , =7, =6; (4)2.5 (+ + ) , =2.5 (4) , =
36、(2.5 4), =10, = 30 (1)361845+1620, =80.4+1620 , =1700.4 ; (2)6767( 23+19) , =67( 12319) , =67( 41) , =2747; (3)200.8 736.3 2008, =20087.3 6.3 2008, =(7.3 6.3 ) 2008, =12008, =2008; (4)118( 14+2.5 45) , =118( 14+112.5 ) , =118126.5 , =; (5)99 97+95 93+91 89+75+3 1, =2+2+2+2, =225, =50 (6)200820082008
37、2009=; 31 (1), =+ , =(+), =1, =; (2)7525, =7525, =(7525), =50, =30; (3), = 14+14, =5+(14 1), =5+13, =5+4, =9; (4), =+, =+, = 32. (1) (+)() , =, =; (2)+, =+, =(+) , =1, =; (3) () 3 , =3 , =, =; (4) (+) 12, =12+ 12, =4+9, =13 33 520+261313, =520+201, =721; 5, =5, =5, =; (+)+ , =+ , =+, =1; (+), =(+) 4
38、2, =42+4242, =28+247, =527, =45; 62.5%+, =+, =(+), =1, = 34 1 (+) 36, =1 (+) 36, =1 36, = 36, =; (+) 36, =36, =8+21, =29; 7.5 4.7+4.7 2.5 , =4.7 ( 7.5+2.5 ) , =4.7 10, =47; 25.3 1233.46 0.35 , =303.6 95.6 , =208; ( 1) , = , = , =5, =4 ; +(), =+() 2, =+2, =+, = 35 (1)+, =+, =; (2)+ , =+, =(+ ) , =1,
39、=; (3) (15626), =(4826), =22, =16; (4)2012+5581824, =2012+3124, =2012+744, =2756; (5)3.87+1.44 0.87+0.56 , =(3.67 0.87 )+(1.44+0.56 ) , =32, =1; (6)35( 1), =35, =20, =48 36 (1), =4, =3 ; (2)13.54 6.88 3.12 , =13.54 ( 6.88+3.12 ) , =13.54 10, =3.54 ; (3) (+ )+, =, =, =2 37131 +86.6 =13.4 +86.6 , =(13
40、.4+86.6 ) 1.25 , =1001.25 , =125 38 (1)5+, =(), =, =; (2), = , =, =; (3) (+ ) 18, =18+1818, =9+63, =153, =12 39. +0.375=, 9( 0.5 ) =1.5 , = , 12 (+)=5, 2= , 9 =8 2 2=2, 90.599+90.5=9050 0.1250.25 32=1 40(1)25 () 12 5, =25 12 5, =(253) 5 =22, =4; (2)+, =+, =(+ ), =1, =; (3)99101, =99( 100+1) , =99100
41、+99 1, =9900+99, =9999; (4)1.25 322.5 , =1.25 ( 48) 2.5 , =(1.25 8)( 2.5 4) , =1010, =100; (5)4.3 6.7+0.67 676.7 , =4.3 6.7+6.7 6.7 6.7 , =(4.3+6.7 1) 6.7 , =106.7 , =67 41 (1)657+3604519, =657+819, =657+152, =809; (2)21, =21, =(21)() , =8, =; (3)28.6 ( 12.6+18.4 ) 1.6 , =28.6 311.6 , =28.6 19.375 , =9.225 ; (4) (), =, =2+ , =2 42 (1)+ +, =+ , =+ , =2+ , =2 ; (2), =, =(+ ) , = 1, =; (3) 13, =+, =(+), =1, = 43 (1), =35, =20, =48; (2), =(4826), =22, =16; (3), =+, =(+) , =1, = 44 (1)292929341422, =101341422, =34341422, =2012; (2), =() , =, =2 ; (3) (+) 24,
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