六年级上册数学比的计算题

一、化简比并求出比值

31:148= 4.5:2.7= 10:6= 17:34= 12:16=

24:36 1.5:0.25= 0.13:0.26= 0.1m:100cm= 0.5时:45分钟=

24:0.48= 300mL:9L= 12分:13秒 3:2.5= 7.5:1.5= 1.2cm:50cm= 38:0.51 2.4:5 0.8:1.2= 38:7.6= 18m:1250cm=

13:78:26= 11:0.22= 0.25m:18cm=

二、能简算的要简算

37 ÷74 ＋37 ×37 1 8:0.125 7.5:0.15= 100:35= 3:0.3= 3 8:9165 8:0.05 4 5:147 2.8:4 16cm:32dm= 93:31= (711 ÷[25 －(1－710 )] 31222:667111

97 5:20

15:21=

9 5:2710

11cm2:0.022m2= 1 10小时:36分钟= 8113 ÷6＋6 ×413

135731148×( ＋ ＋ ) ×4.6－1 ×3.6 4 ÷[( ＋

8162444425

0.75)×1.2]－2

6

13511351( ＋ )÷ ( － ×0.75)÷0.25 ( － )÷( － 121

3

) (100－9)×( 117 － 13 ) 0.625×7＋ 5

8

×6

59 ×56 ＋49 ÷65 (17×459 ＋ 9 ×17)÷34 34.7－7 ＋65.3－8

1515 －1

2 )]

23 ＋( 45 －23 )×53 23 115 ×( 13 ＋ 11

12 )÷ 12 534 － 11 ＋ 9 － 11 925 －(337 ＋0.4) (34 ＋116 －1324 )×12 225 ×67＋33×5 482 0.625×3＋

[ 51115

6 －( 10 ＋ 6 )]×17

7.8×15

＋2.2×0.2

712 ×[34 －(1120

153

2 ÷[ 6 ÷(10

＋

)] 20

9

12240.26:13= 3:3= 16千克:20000克= 40m:1km= 25:15=

193:121cm:11m= 10000克:1吨= 169cm2:0.13dm2= 816= 14mm:0.28m=

1月:15天3= 123456:123456= 123:246123= 4.8公顷:24000m2= 19%:3.8=

13263:169100 8天:18时= 17cm3:0.00170cm3= 1.2m3:2400mL= 14:=

22114::330.0001m:10000cm= 75平方千米:15000公顷= 39 8870=

372:0.2315:30:45= 77:88= 88:99= 38:27= 8= 3:1.54=

3600mm:0.72m= 15dm2:30m2= 56:48= 72:0.54= 400:80=

3262:515 3.3km:11m= 10000000cm3:1m3= 150:255= 47:84=

二、求比值

13:0.26= 14:28= 66:132= 28:56%= 200:1000=

4113:19m:1:58343= 3:= 1250cm= 0.38:76%= 939=

253:23= 1.82:65= 2.772:63%= 1.5:3.5= 3.63:66%=

3531:244.2:11= :54= 888:999= 380.25= 18∶8

111334千米∶500米= 1.4∶4= 1.25∶6.5= 3∶0.75= 23∶3=

13612∶16 4∶18 4.5∶2.7 10 ∶0.1 1.05:1.02=

2.4m:cm 24.96:= 44.8:5.6= 31.45:8.5= 8.8cm:40dm=

15cm2:6dm2= 30%:0.4= 1.1:2.2= 83.7:9.3= 1.608:40%=

3时:36分4.2:1.5= 8 18.17:7.9= 6cm:1km= 1km2:4公顷=

4m:1.6cm2004g:4kg= 5 909cm:9m= 0.432cm3:6m3= 72.4g:8kg=

61.2:0.9= 21:42.42= 78:39%= 111:888= 46m:6cm=

98512.56:3.14= 25.12:3.14= 78.5:3.14= 850:4= 36:15

45113111):::(58:0.5= 287 56 86 40%:18%=

三、先化简，再求比值

3741:150:49149 1.6::8.4= 0.45: 27:3.6=

1113:2吨:750千克23218:24= 3 25:10= 84:6%=

311122时:45分:0.3:21530450.8:1.6= 0.75:0.4=

21千克:7200克小时:12分钟55 4:0.25= 0.8:20= 1.6:2.4=

14:0.220 0.4:0.16= 27:45= 7.8:39%= 0.6:5

111吨:250千克吨米:60厘米0.12:0.4= 5 450千克:3 4

153时:45分:4 128 0.4:0.75= 56cm3:0.0048mm3= 4.8:24%=