五年级计算题巧算与速算

五年级计算 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 (巧算与速算)PAGE\*MERGEFORMAT1五年级计算题 练习 飞向蓝天的恐龙练习非连续性文本练习把字句和被字句的转换练习呼风唤雨的世纪练习呼风唤雨的世纪课后练习 一一、直接写出得数。－=2＋=＋－=－=1－－=＋－=＋－2=＋=二、解方程或比例。①　0.3χ=45②χ＋χ=28③χ－=三、计算，要写出主要计算过程，能用简便方法的要用简便方法计算。＋＋＋－＋＋2－－＋＋＋－（－）五年级计算题练习二一．直接写出得数。＋=＋=1－=－=＋=－=＋=1－=二．解方程Ⅹ－=＋Ⅹ=2Ⅹ－=三．计算下列各题，要写出主要计算过程，能用简便方法的要用简便方法计算。（18分）（1）＋（－）（2）2－－(3)－＋（4）68－7.5＋32－2.5（5）－（－）五年级计算题＋=－=＋=＋=－=＋=－=－－=＋－=7－=＋＋=＋＋=1－－=二．解方程或比例。X＋EQ\F(1,3)=EQ\F(6,7)EQ\F(7,12)—x=EQ\F(1,4)X－(EQ\F(7,16)－EQ\F(5,24))=EQ\F(7,24)三．计算下列各题，要写出主要计算过程，能用简便方法的要用简便方法计算。（18分）＋＋1－－＋＋＋－（－）EQ\F(8,9)－（EQ\F(2,9)＋EQ\F(1,3)）EQ\F(11,15)＋EQ\F(10,17)＋EQ\F(4,15)＋EQ\F(5,17)五年级计算题练习四一．直接写出得数。（4分）0.15×0.6=7÷40=2－EQ\F(1,3)=EQ\F(2,5)＋EQ\F(4,5)=EQ\F(1,2)＋EQ\F(2,3)=1.2÷2.4=EQ\F(1,3)－EQ\F(1,4)=0.64÷8=0.75÷0.25=10－0.06=EQ\F(5,12)＋EQ\F(7,12)=12.5×80=EQ\F(5,8)＋EQ\F(7,8)=0.53=EQ\F(1,3)＋EQ\F(1,6)=5—EQ\F(1,6)=二．解方程或比例。（9分）①χ+EQ\F(3,7)=EQ\F(3,4)②χ-EQ\F(5,12)=EQ\F(3,8)③χ-EQ\F(5,6)=1三．计算下列各题，要写出主要计算过程，能用简便方法的要用简便方法计算。（18分）①EQ\F(17,20)－（EQ\F(7,20)＋EQ\F(5,12)）②EQ\F(8,9)－（EQ\F(2,9)＋EQ\F(1,3)）③EQ\F(2,9)+EQ\F(4,5)+EQ\F(7,9)+EQ\F(1,5)④7-EQ\F(5,7)-EQ\F(5,7)⑤EQ\F(4,5)+EQ\F(11,15)+EQ\F(3,10)⑥6-（EQ\F(3,4)-EQ\F(2,5)）五年级计算题练习五一、直接写出得数。（4分）+＝+＝－＝－＝1+＝+＝－＝+＝+＝－＝+＝1－＝－＝+＝+＝6＝5＝0.125×8＝6.25×13＝28÷56＝二、解方程或比例。（9分）　EQ\F(3,7)χ＋EQ\F(1,8)=EQ\F(1,2)4χ－1.6χ＝36X＋=三、递等式计算，怎样简便就怎样算。（18分）7.8－8.75＋2.2－1.257.8×1.17－7.8×0.17③7－－④－（＋）⑤＋（－）五年级计算题练习六一．直接写出得数。（4分）EQ\F(5,6)＋EQ\F(4,9)＝EQ\F(7,10)－EQ\F(1,5)＝EQ\F(3,5)－EQ\F(1,4)＝5-=1-EQ\F(1,5)-=5÷0.001=2.5×4=+=-=++=二.解方程或比例。（9分）X＋EQ\F(3,5)=EQ\F(7,10)2X－=1-5.5X-3X＝15三．脱式计算，写出主要计算过程，能用简便算法的要用简便算法。（18分）－（＋）－－＋＋＋＋－＋＋－－五年级计算题练习七一．直接写出得数。（4分）＋=＋=1－=－=＋=－=＋=2－=二.解方程或比例。（9分）①Ⅹ－=②2Ⅹ－=③三．脱式计算，写出主要计算过程，能用简便算法的要用简便算法。（18分）五年级计算题练习八一．直接写出得数。（4分）EQ\F(1,2)＋EQ\F(2,3)=1.2÷2.4=EQ\F(1,3)－EQ\F(1,4)=0.64÷8=0.75÷0.25=10－0.06=EQ\F(5,12)＋EQ\F(7,12)=12.5×80=2.40.03=    0.5＋EQ\F(1,3)＝    7.5－2.5＝0.39÷13=EQ\F(5,8)＋EQ\F(7,8)=0.53=EQ\F(1,3)＋EQ\F(1,6)=5—EQ\F(1,6)=二.解方程或比例。（9分）x＋=x－=x－(＋)=三．脱式计算，写出主要计算过程，能用简便算法的要用简便算法。（18分）++60.62－（9.2＋12.62）6.8＋＋3.2＋－－＋＋－－（－）五年级计算题练习九一．直接写出得数。＋=＋=＋=－=－=－=＋=－=1－=－=－=＋=－=＋=＋=二.解方程。X＋EQ\F(1,3)=EQ\F(6,7)EQ\F(7,12)—x=EQ\F(1,4)X－(EQ\F(7,16)－EQ\F(5,24))=EQ\F(7,24)三．脱式计算，写出主要计算过程，能用简便算法的要用简便算法。＋（＋）＋－－（＋）6－（－）＋＋＋＋＋＋5－－－（＋）五年级计算题练习十一．直接写出得数。EQ\F(2,5)+EQ\F(3,5)=6.8–0.08＝EQ\F(5,6)—EQ\F(5,6)＝160×5＝1.44÷9＝EQ\F(4,5)+EQ\F(3,5)＝2.76×100＝8.7–1.9–3.1＝EQ\F(5,6)+1＝EQ\F(1,5)-EQ\F(1,7)＝0.14×6＝48÷0.6＝0.15×0.6=7÷40=2－EQ\F(1,3)=EQ\F(2,5)＋EQ\F(4,5)=二.解方程。www.xkb1.comⅩ－=＋Ⅹ=Ⅹ－=三．脱式计算，写出主要计算过程，能用简便算法的要用简便算法。＋＋＋－2－（＋）＋－＋＋＋－（－）一、简便计算题12.3×4×0.2512.96－（9.6－1.52）85×10.11.2÷0.25＋1.3×4103×0.25（4.8＋6.4）÷835÷12540.5÷0.81×1.0534.5×0.03+34.5×0.97（203.4＋72.2）÷（1.3×0.2）8×4.3×12.597.5÷0.39－136.72.5×10286.4÷0.24×0.254.2÷2811.16÷（10－0.7）(9.6+3.2)÷0.8（300－94.8）÷0.50.125×1612.6÷[3.5－（9.8－8.7）]3.2×5.6－11.40.648÷[（0.4＋0.5）×0.6]5.74×99＋5.748．9×1.1×4.74.75＋3.25×2.4＋7.62.7×5.4×3.93.8×1.4＋18.2÷0.73.6×9.85-5.464.8×0.258.05×3.4+7.64.7×10.26.58×4.5×0.97.63×99＋7.632.8×0.5+1.586.73＋2.56＋1.44＋3.278×5.2+3.8×3.8+3.82.37×2.5×4(6.7+6.7+6.7+6.7)×2.51.5×1029.8×25×42400÷16÷0.532×0.25×0.1252.8×3.2＋3.2×7.27.4－0.15×2.83.76×0.25－0.490.008+0.92×5－1.280.25×4.78×47.8÷（1.3×4）0.65×2017.2×0.9＋0.01×7.21.2×2.5＋0.8×2.58.6×10.12.5×7.1×45.6×(12.5－8.5÷0.85)16.12×99＋16.12[(8.1－5.6)×0.9－1]×0.45.2×0.9＋0.98.25×4.08+0.75×4.08+4.084.3×50×0.24.32＋5.43＋6.6864－2.64×0.515.17－6.8－3.226×15.7＋15.7×2412.75－(2.75＋6.8)(2.275＋0.625)×0.281.27＋3.9＋0.73＋16.13.94+34.3×0.212.8－4.9－5.11.2×(9.6÷2.4)÷4.86.75－（0.9＋3.75）8.9×1.1×4.71.34＋1.8＋3.66＋0.22.7×5.4×3.90.96－0.28＋0.04－0.723.6×9.85-5.4612.78-(4.97+2.78)8.05×3.4+7.631.7－0.5×0.7－1.656.58×4.5×0.935.72-4.9-（5.72+5.1）2.8×0.5+1.58111－3.67×2.8－3.67×7.232＋4.9－0.912.5×6.3+27×1.25+0.125÷0.014.8－4.8×0.53.1+25.78+6.9(1.25－0.125)×815.25+4.72+4.75+5.284.8×100.134.82－(4.82+15.2)56.5×99＋56.57.28+0.94+2.72+0.067.09×10.8－0.8×7.097.84+0.73—0.844.85+0.35÷1.46.3×99+6.38.7×17.4-8.7×7.415.7—4.3—5.712.5×0.4×2.5×81.6+0.4—1.6+0.40.87×3.16+4.6462.8÷2.5÷0.49.5×1017.3×990.68÷（5.2-3.5）×1.25(1.25+2.5)×840.5÷0.81×0.189.42×10—94.2×0.94.8×（15÷2.4）1.8×2.48+1.52×1.8-0.52．13.×0.×82578.76+0.4×3.6×2.5+1.246.81+6.81×996.5×(10-3.7)+2.980.25×185×40［4.75+8.4÷(9.2-6.8)］×404.4×0.8－3.4×0.819.8-0.6×0.6-0.64(9.37+9．37+9．37+9．37)×2．50.125×7.9×164．2.×1.＋1.×1.752.48×(7.3-5.8)+1.5×7.522.37×6.3+2.37×3.712.773-［4.5×(0.75-0.356)+9.23］2.5×1.25×0.32(6.4+0.88)÷0.8+3.2×1.253.8×10.124-［5.4+(0.63+1.29÷0.23)］2.5×(3.8×0.04)2.18+4.65+7.82+5.35+12.57.69×10115.84-2.17-3.833.8×10.1(25+2.5+0.25)×40.25×39+0.25(35.2×45.6+45.6×63.8+45.60.125×7212.25－3.1＋0.85－6.1746×0.33+54×0.33（（1.9－1.9×0.9）÷（3.8－2.8）二、用竖式计算1.8+0.02=5.76×3＝2.08×7.5=0.43×0.28=0.72÷0.9=90.75÷3.31.05×2.4=4.6×0.6=0.2÷0.01=16.9÷0.131.89÷0.54=3.08×0.43=0.25×40=3.7×0.0165.61÷6.1=5.22÷29=1.25×0.8=5.2×0.66.21÷0.3=13.95÷3.1=5.5×66=6.4×0.51.3÷0.95.93×0.767.8×0.35=5.25×521.84÷0.73—2.088.4×0.25=0.042×0.5428.14÷6.73.54×134.1-1.2980.25×0.0460.396÷1.2=20－5.6746.84×7.451.08×2515.6×13=5.4÷0.03636.72÷2.40.125×1.4≈0.025×14=5.778÷5.4=110.7÷0.5410.1÷3.3=0.04×0.12＝1.5×0.25=1.204÷0.43=3.25×9.04=6÷1.2=9.2÷2.3=3.5×0.2=7.15×2218.9÷0.54=6.45×0.73=4.8+2=1.55÷3.90.35×8.6=1.5×26.7=3.5×24=8.4×1.354÷0.36=7.218÷364.25×24=35.4×4.20.462÷1.45.24÷7.25.24÷7.22.52×3.40.756÷0.36=5.84÷0.1687.11÷3.12.5÷0.7=3.06×36=8.02×3.5=1-0.01=3.68×0.251.44÷1.8=8.9×0.05=7.6×1.05=4.48×0.45.86÷0.2416.32÷515.56÷0.834.8×0.25＝0.18×15=8÷116.5-5.6=13.76×0.8=9.58÷0.23=18.72÷3.6=2.84×0.05=10.75÷12.5=3.84×2.6≈28.56÷5.1=0.42×0.3080.76×0.324.32÷3.62.7+3.13三、速算与巧算5.8+2.32+0.68+4.21999+199.9+19.99+1.99912.59-3.24-5.768.1+7.8+8.2+8.4+7.9+7.718×5.5(6)8.88×1.2534.7×0.25238÷1.250.25×12.5×3.2124.68+324.68+524.68+724.68+924.685795.5795÷5.7957×579.51990×198.9-1989×198.82.25×0.16+264×0.0225+5.2×2.25+0.225×204.82×0.59+0.41×1.59-0.323×5.90.125×0.25×3216×4.50.25×1.25×22.40.9+0.99+0.999+0.9999+0.99999(72×357+357×28)÷(51×7×4)4.8×(11.03-15.6÷7.5)(67.8+9.48)÷0.96-2.58×30.05[1.7+1.7×(5.8-2.8)]+(1.75÷1.4)3.04×8.7-3.04×2.9+5.8×6.96(0.1+0.2+0.3+0.4+…+1)÷5.53.14×6.5+4.5×3.14-3.141240×3.8+124×51+1.24×1400+760×9.6+0.76×7001÷(2÷3)÷(3÷4)÷(4÷5)÷…÷(1999÷2000)1-2+3-4+5-6+…-98+99-100+10098989898×99999999÷1010101÷11111111(1+0.28+0.84)×(0.28+0.84+0.66)-(1+0.28+0.84+0.66)×(0.28+0.84)五年级 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计算题一、用竖式计算：0.37×2.4＝1.55÷3.8≈（保留一位小数）56.5×0.24＝93.6÷0.052＝0.59×0.027＝6.72÷6.4＝1.24×0.15＝0.39÷7.8＝1.03×5.9＝3.8÷4.5≈（得数保留两位小数）0.86×1.2＝5.63÷6.1≈（得数保留两位小数）7.6×0.910.5×0.34.25×0.18（得数保留一位小数）0.3÷0.12104.78÷26(得数保留一位小数)34.2÷0.8验算3.5×16=0.19×7.5=验算227.8÷0.34=7.525÷0.38=(得数精确到百分位)36×5.5　18×3.06　　3.45×210.28×0.25150×0.120.87×1.50.03÷0.12=验算：52.78÷26=验算：1.86×0.473.81÷7(得数保留两位小数)0.4×0.076　　1.5×0.062　　6.5×0.04二、递等式计算，能简便的用简便方法计算。5.5×8.2＋1.8×5.50.25×0.89×44.8×0.988.8×1.257.65÷0.85+1.123.4÷5.2×3.22.35×4.64＋5.36×2.3512.5×1.36×0.82.6×10.14.4×0.2525.2÷12+2.943.5÷15－1.451.87×3.05＋8.13×3.051.25×0.45×0.89.8×3.70.44×2.52.25×0.4+0.631.04÷3.2－4.73.26×10.1－0.1×3.260.125×9.8×8102×4.82.4×2.5（27.8－15.6）×0.89.12÷57＋4.8412.6×9990÷25÷42.5×1.25×3.21.39×6.1＋3.9×1.390.25×1.6×0.410.1×1.90.48×20.2－4.22.4×1.2542.72÷0.48＋0.521.2×2.5＋0.8×2.52.33×0.25×4102×0.458.8×1.257.06×2.4－5.70.21÷1.4＋2.68.7×10.16.35÷0.8÷1.255.65×1.8+4.35×1.823.4÷7.8－2.35.4+4.6×150.84÷7+0.36×82.5×6.8×0.42.5×3.2×1.2521.36÷0.8×2.963×10.19.76×0.72－0.76×0.72+0.72三、解方程1.8x=72x÷5.4=1.2x－32.5=9491÷X=1.31.2x÷2=60（x－4）×0.5=104X+1.2×5=24.48X－5X=276x－10.8=13.25.4x+x=12.85.5＋X=8X－6=8.43X=2.70.4X=16X÷7=0.311X=1.19X÷4=1353X－1.6=32.61.5×30－5X=102X＋1.5X=42（X－3）÷2=7.58（X－6.2）=41.61.8x=72x÷5.4=1.2x－32.5=94x+4.2=14.816+8x=404x－3×9=295X＋3X=33.6X－0.36X=165.4X＋X=122(3+x)=9.20.85(x－6)=5.10.5x+0.8x=0.39