小学五年级20套分数口算练习题

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一、口算 52+ 52= 52÷ 52= 52× 52= 52- 52= 1 + 52=21+ 31= 21÷ 31= 21× 31= 21- 31= 97+ 31=二、脱式计算34 +115 -14 512 +115 -16 35 -115 +120 415 +38 -115 89 +38 +78三、解方程710 - X - 18 = 15 59 + 23 - X = 25 X + 29 + 38 = 3456 + X = 119 - 23 X - 37 = 821 + 514一、口算79 + 59 = 7 × 314 = 118 - 98 = 1.6 ÷ 0.7 = 73 - 712 =815 + 56 = 37 ÷ 6 = 421 - 235= 13 × 0.15 = 1÷3×13 =二、解方程72×X=218 15÷X=65 X ×109=24×812X + 25 = 35 34 x=1516三、简算(1)(89 +427 )×3 ×9 (2)(38 - 38 )× 615 (3) 16 ×(7 - 23 )(4) 56 ×59 + 59 × 16 (5)29 ×34 +527 × 34一、口算920 - 725 = 1360 + 1140 = 45 + 65 = 79 - 49 = =32×119 =21×149 =263÷137 =101÷83 =111÷101 =111-101二、列式计算259 ÷ 54 ÷ 45 (59 -12 ×13 )÷ 56 149×14×92 22÷1211÷4383×65÷1615三、解方程154 - X = 136 - 78 X - 1115 + 1120 = 1110 45 - 49 = 43 - X134 - 116 = 512 + X 136 - 119 = 2512- X一、口算103÷ 51= 85÷41= 218÷ 31= 73÷211= 73× 211= 1615 ×12= 8×1.25= 99×17= 1÷0.25= 14÷514 =二、脱式计算415 +16 +35 720 +34 -14 38 +16 -14 29 +115 +415 512 +35 -1616×83÷72 158÷3×65 54 ×8+8×14 57 ÷56 56 ×(18+625 )二、解方程X ×53=20×41 X-83X =400 98 X = 61×51165X-3×215=75 32X ÷41=12一、口算98÷4= 1÷32 = 53÷3= 14÷ 157= 52÷0.4=75÷71= 83÷169 = 54×21 = 32÷91 = 1611÷1611=二、简便算613 ×75 - 613 × 25 712 ×6 - 512 × 6 38 +38 ×47 +38 ×3737× 335 625 × 24三、解方程式1.4×8-2x=6 6x-12.8×3=0.06 410-3x=1703(x+0.5)=21 0.5x+8=43310 +611 +910 512 +611 +911 13 +1120 +23 45 +29 -3513 +16 +512 29 +910 -310 89 +115 -29 38 +120 -14512 +14 -34 23 +911 -611 13 +34 -14 29 +911 -61135 +78 +45 38 +89 -29 115 +910 +415 29 +720 +12089 +115 -38 16 +35 -415 115 +1120 -720 310 +14 +345X+51X= 85n + 41n= 32- 21= 98m- 31m= 72+ 143=67÷41= 1411+ 227= 638÷ 185= 85÷41= 85× 58= 2-41- 43= 74+ 143= 65÷ 56= 54-51= 133-131=133+131= 133 ÷ 131= 54÷51= 54+51= 67×41=练习题(八)133+131= 133 ÷ 131= 54÷51= 54+51= 67×41==31 × 52 =21×73 =61×109 =85×82 =41×125=72 × 92 =65÷1217 =51÷111 =65÷103 =91÷71=32×119 =21×149 =263÷137 =101÷83 =111÷1015×3-x÷2=8 0.273÷x=0.35 1.8x=0.972 x÷0.756=909x-40=5 x÷5+9=21 48-27+5x=3110.5+x+21=56x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4 0.1(x+6)=3.3×0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)÷x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6÷x=12.6 5x+12.5=32.3⎪⎭⎫ ⎝⎛+÷5121101简便运算1521 ×34 + 1021 ×34 - 34 710 ×101- 710 89 ×89 —89 ×89 35 × 99 + 35( 47 + 89 )×7 ×9 345 ×25 36×3435 ( 56 - 59 )×1852623 × 15 3225 ×56 ⎪⎭⎫ ⎝⎛+⨯6520531259412595÷+÷ 38 - 38 ×47 - 38 ×37 623763⨯ 31÷76+32÷76229 ×(15×2931 ) 58 ×23 ×815 2534 ×4 54×(89 - 56 )练习题(十一)383÷ 151157÷ 751149÷ 5318÷149×14×9222÷1211÷43 83×65÷1615 16×83÷72 158÷3×6513 +34 -16512 +78 -38 16 +29 +512 23 +911 -13 34 -13 +16 910 -29 +12038 -815 -415 1120 -115 +720 16 +35 -15 -4315 +12910 - 78 + 58练习题(十二)一、解方程3x+7=28 3x-3=1 7x+8=15 2x+9=17 3x-7=26二、填入 >、 <、= 56 ×4 ○ 56 9×23 ○ 23 ×9 38 × 12 ○ 38 45 ÷3 ○45 56 ÷23 ○ 56 4÷89 ○ 4 914 ÷32 ○ 914 715 ÷115 ○ 71512×920 ○ 12 47 ÷38 ○ 47 ×83 512 ×52 ○ 512三、口算 98÷4= 1÷32 = 53÷3= 14÷ 157= 52÷0.4=一、口算75÷71= 83÷169 = 54×21 = 32÷91 = 1611÷1611=二、列式计算43÷87÷1415 (94+152)÷152 10365÷ 2121÷211514÷ 3311÷ 5161÷ 383÷ 151157÷751149÷ 5318÷ 158÷3×65149×14×92 22÷1211÷4383×65÷1615 16×83÷72一、解方程式125 ÷X=310 32X+21X=42 103X -21×32=42041=+x x 10541=+x x X +87X=434X -6×32=2 25 X--13 X=310 X - 27 X=43X +83X =121 21x + 61x = 4 X ÷54=2815二、 口算=4375⨯ =7997÷ =3456⨯ =23109÷=21575÷ =4398⨯ =165÷ 5210965⨯⨯练习题(十五)一、直接写出得数=38152019⨯ 15 -16 = 9763÷= 1.8×61= 47 ×1= 12 +17 = 1953 ×0= 1517×60= 878⨯= 5341+= 43÷43= 10÷10%=二、脱式计算111471685÷÷ 35246583⨯⨯ 11555382619⨯÷ 2535312⨯÷43853485÷⨯+ 58 ÷ 712 ÷ 710 12 ÷ 54 × 23 6÷103-103÷631×43÷(43-125) 38 ×4÷38 ×4练习题(十六)一、解方程5(x+8)=102 x+3x+10=70 3(x+3)=50-x+35x+15=60 3.5-5x=2 0.3×7+4x=12.5 x ÷1.5-1.25=0.75二、看谁算得又对又快542154+⨯ 65144150⨯- 1691583⨯- 543107⨯⎪⎭⎫ ⎝⎛+813261⨯- 613143⨯+ 11612587116⨯-⨯ 9753154⨯+74764918811+÷+ 5224)81127(⨯÷- 248765⨯)+( 465761÷⨯)-(练习题(十七)一、直接写出得数41÷ 54= 76÷6= (3+320 )×5= 117×174= 1÷7+76=92×2.7÷60%= 9 -87÷81= =4375⨯ =7997÷ =38152019⨯=4398⨯ =23109÷ =21575÷ =3456⨯ 57×715=二、看谁算得又对又快542154+⨯ 65144150⨯- 1691583⨯-543107⨯⎪⎭⎫⎝⎛+ 813261⨯- 613143⨯+练习题(十八)一、解方程式x -52x =14 53+41x =2017 7-32=2x 21x -31x = 553x +52= 5 x -85x =31× 45二、列式计算11612587116⨯-⨯ 9753154⨯+ 74764918811+÷+ 5224)81127(⨯÷-248765⨯)+( 465761÷⨯)-( 135919138⨯÷+ 310735107÷⨯+)+(10915731712÷- 78 ÷5+78 ÷2 2-1615÷75÷43920 ÷[12 ×(25 +45 )]练习题(十九)一、直接写出得数101734÷= 731÷= 44251511⨯=50133925⨯=109180÷= 14117÷=二、列式计算52×(43+51)÷1019257×118+257÷311练习题(二十)一、直接写出得数25 ×415 = 8÷23 = 910 ÷35 = 1÷710 = 129÷32=二、列式计算1-213 ÷813 -34 29 +12 ÷45 +38 813 ÷7+17 ×613 2546585⨯+)(三、简便运算四、解方程(45 +3.2)x =23 35 x -17 = 1 2x -3.25=0.75 2110331=+x613261+=x 0.2x -2.6×5=8 156132=+x x 2.9%302=+x x。