五年级加减乘除练习题.docx
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五年级加减乘除练习题
五年级加减乘除练习题
一、直接写出得数:
0.27×=.2÷0.=1.25×=0.83+0.2=0.09×0.=10÷0.1=.5÷1.=.8-1.0=
2.5×4.=.8×101=
二、填空:
1、已知两个因数的积是1.44,其中一个因数是1.2,另一个因数是。
2、在计算除法3.96÷0.12时,需要把除数的小数点向右移动两位变为整数,则被除数应扩大。
4、根据算式45.5×3.6=163.8写出两个积为16.38的乘法算式①,②。
5、4.90保留两位小数得,精确到十分位得。
6、比较大小:
.68×0.99○9.6.82÷0.99○4.82
7、1.25时=分0.5天=时
8、在4.2.234.23.32中最大的数是,最小的数是。
三、判断:
1、在除法运算中,商一定比被除数小。
2、两个因数的小数位数的和是3,积的小数位数也一定是3。
3、小数除法的意义与整数除法的意义完全相同。
4、一个小数是循环小数,那它一定是无限小数。
5、求商的近似值与求积的近似值一样,先要算出商,再按要求取近似值。
四、选择:
1、在1.25×12×8=12×中,用到的乘法的
①乘法交换律乘法结合律③乘法分配律④乘法交换律和结合律
2、在计算除法时,如果要求得数精确到0.1,商应除到
①十分位②百分位③千分位
3、下面算式中,结果最大的是
①4.2×0.9②4.2÷1.3③4.2×0.45④4.2÷0.45
4、一根木棒锯成三段需要15分钟,锯成四段要
①20分钟②15分钟③22.5分钟
五、用竖式计算:
0.56×0.8=.8÷11=
六、求未知数χ:
χ×6.2=1.8÷χ=19.χ÷1.8=2.6
七、计算下面各题,能简算的要简算
6.25÷0.25×8.04÷
0.486+0.01+3.919.75÷2.5-3.55
17.5×2.3-7.5×2.3
90÷25÷4
八、列式计算:
1、3个9.5比15多多少?
2、比3.5的2.4倍还多1.2的数是多少?
3、0.8与0.9的积除以1.2,商是多少?
4、78减去3.4与0.17的商,差是多少?
九、应用题:
1.25×11×4×0..93×5.7+8.93×3.3+8.93
1、学校参加团体操大赛,四年级有80人,五年级的人数是四年级的1.5倍,两个年级一共有多少人参加团体操大赛?
2、用载重为3.5吨的货车5辆,运122.5吨货物,要几次运完?
3、一辆汽车0.5小时行驶15.2千米,照这样计算,行驶228千米需要多少小时?
4、开学五年级一班布置教室,用去纸4张,每张2.8元,用去胶水两瓶,每瓶
1.4元,一共用去班费多少?
5、从学校到少年宫共有3.6千米,一辆汽车行这段路程共用了6分钟,请问这辆汽车每小时行多少千米?
6、某同学在算一道除法题时,把一个有两位小数的被除数的小数点漏掉了,除以1.8后商是230。
请你写出正确的除法算式,并计算出商。
小数混合运算专项训练
1、解方程。
5x=45012=42
1.2×6+4x=1.5x-x=22.5
2、用简便方法计算。
0.2×3.2×12.5
0.25×44
3、用递等式计算。
2.6+1.4×1.5-1.5
2.6+2.4×
30.8÷[14-][60-
2.881÷0.43-0.24×3.5
28-
777×9+1111×3
36×10.12.2×4+17.8×÷12.15.6÷16×]÷0.120×[÷0.4+0.15]2.55×7.1+2.45×7.10.8×[15.5-]
÷31.5×4÷
0.64×25×7.8+2.÷2.5+2.5÷2
36.25÷4.25×9.9180-705×6
24÷2.4-2.5×0.8
671×15-974
5.67×0.2-0.62
0.78+5.436+1
10.÷4x8÷9-1÷3
20.x2÷9+1÷3
7.2÷0.8-1.2×5
2.55×7.1+2.45×7.1
÷69×12+1419.4×6.1×2.18.1×0.92+3.930.4×0.7×0.2.×÷4+1÷.x5÷6+5÷14.1x5÷6-5÷16.÷9x18-14x2÷5.5÷6.178-145÷5×6+46.5×8-77×9+1111×÷5
31.5×4÷0.64×25×7.8+2.÷2.5+2.5÷2
194-64.8÷1.8×0.6.72÷4.25×9.9180-705×6
24÷2.4-2.5×0.÷7671×15-974
469×12+1492
5.67×0.2-0.62
0.4×0.7×0.250.78+5.436+1
240×78÷
2160÷〔×18〕80
85×
81432÷[37.85-
+76×64
405×19.4×6.1×2.18.1×0.92+3.0.043×24+0.87.07×0.86+9.11437×27+27×56〔75-〕÷15+840÷24×5325÷13×8870÷1437×27+27×563]×306×[192-]×67
81432÷+76×60-÷0.18
2.881÷0.43-0.24×3.50.8×〔15.5-〕÷5
194-64.8÷1.8×0.936.72÷4.25×9..416÷
0.8×[÷1.2]÷8.0.12×.8÷0.12×4.8
÷12-700÷156×[÷3]
÷1.685+14×120-36×4÷18+35
9.72×1.6-18.305÷.2×÷1.÷
÷8.50.12×.8÷0.12×4.8÷1.6
120-36×4÷18+315-10.75×0.4-5.47+45×2-4160÷52
÷[×0.9-1.15]÷2.5
÷1.65.4÷[2.6×+0.62]
12×6÷-.2×6+÷1.÷1.120-144÷18+347+45×2-4160÷5÷5÷
812-700÷120-36×4÷18+35
÷8.50.12×.8÷0.12×4.0.8×〔15.5-〕÷1.5×4÷0.64×25×7.8+2.÷2.5+2.5÷2
194-64.8÷1.8×0.6.72÷4.25×9.180-705×6
24÷2.4-2.5×0.÷7
671×15-974
469×12+1492
405×
0.8×[÷1.2]19.4×6.1×2.67×0.2-0.618.1×0.92+3.924+0.875×90.4×0.7×0.20.75×10100-56.23
31.50+160÷40
÷.120-144÷18+33.347+45×2-4160÷52÷.95÷.178-145÷5×6+420+580-64×21÷28
37.812-700÷
小学五年级数学上期计算练习题集
2.14-0.9=0.5+7.6=240÷48=00÷300=0.75-0.38=6+99=0×30=20×35=1-0.2=3-2.25=1.57+3.43=286+199=18.54-9.9=×99=.4÷2=48÷0.6=÷3=0.24÷0.2=.8÷6=0.96÷0.03=.4÷0.2=.83.24÷0.24=.2496÷3=0.242.4÷0.2=.822.8÷3=.9832÷42=246.45.3+6.7=.4-3.6-1.4=012.9-8.5=.2286+198=14-202=526+301=23-99=0.45×2.5=0.810×0.07=0.30.2×0.26=0.140.2×0.4=8.22.5×0.4=2.40.9-0.52=.998÷10=10-1.8-7.2=0.43+3.57=2.50.9×0.8=.5x-3x=a+3a+7a=1.051÷0.5=0.960.16.5×10=0.563.215×100=0.80.6×0.=312.5×8=00.16×5=1.780.7÷0.01=2.53.9+2.03=.227+456+73=0.312÷0.3=.871.5×0.4=7÷0.6=.6÷2.4=.4÷0.2=.8÷0.6=.6÷0.23=19.76÷13=.17×0.4=.8×1.25=0.3×1.4=0.05×4=0.02+1.8=100×5=0.22×1=0÷3=1.47×100=.78×10=4.08×0.9=.5×0.04=0+2.=9.6×0.4=12÷3.5=×0.3=.2÷0.7=13÷0.25=.5÷0.3=.24÷2=48÷6=0.96÷0.3=5.8÷5.2=.81÷0.7=0.4×0.01=15×1.4=+2-8+2=×3.6=0.3×7=0.92×0.1=1.2-35.22=.3×4=.25×3.52=12.5÷0.7=5.4×100=4×100=1.1×0.4=.6×0.=1.1÷0.=1.2-3.9=.61.6+2.4×0.3=.14+2.8=0.9÷4=0.96×0.7×0.8=÷24=÷0.6=÷0.03=÷6=÷7=÷0.01=÷1.5=×0.3=×0.4=×0.3=×4=×0.5=×8=×4×12=×100=÷6=÷0.8=×0.=×0.4=×9=×0.5=÷0.66=-0.9=÷0.01=÷0.3=-2.5=
16÷1.6=.6×1.01=0.36+0.64=4.32÷16=.2÷0.1=72.8÷0.8=8.4÷4.2=13.8+9.9=.4×2.5=0.05×0.8=2.56-0.37=12×2.5=1.23×3=.2÷1.6=.5+3.5×3=19.6÷2=.8÷2.2=0.75×4=0.5×0.8=.4×0.2=1.6×0.2=7.2×0.3=.8×0.3=0.9÷0.15=1.8×0.4=.5÷0.55=0.08×100=2.2÷0.11=.46+4.54=12.52.8×4=19.60.756÷0.36=15.63.06×36=0.047.15×22=0.751.55÷3.9=3.78.4×1.3=.435.4×4.2=0.0422.52×3.4=1.0810.1÷3.3=10.750.43×0.28=.453.08×0.43=1.513.95÷3.1=.5×4×12=0.91.05×100=15.4÷6=12865÷0.05=442÷0.003=787.2÷0.002=10007.5÷5=8.62.5÷0.005=0.368.6÷0.0043=69.8÷0.7=.6133÷.0007=.055.6÷700=6018.63÷0.03=.50.29÷2.9=3.47.09×10.8=0.8×0.8=0.35÷4=22.5×13=0.18×0.12=.84÷3.3=3.68×0.016=13.76×0.5=.48×0.54=0.76×25=.8÷12.5=.25×0.73=4.6×26.7=.22÷10=10-1.8-7.2=0.43+3.57=×0.8=.5x-3x=a+3a+7a=÷0.5=0.96÷0.4=÷0.12=÷0.06=5÷1.25=10÷0.002=0.0036÷0.0006=.5÷0.0023=8.4÷0.023=0.009÷0.5=123000÷0.008=4.329×99=13.5×0.2=0.57×7.09=.5×0.3=1.4×4=0.396×15=0.025×2.6=5.76×0.2=16.9×0.8=.2×0.4=5.25×0.32=0.25×0.25=.5×9.04=12.5×0.6=.9÷29=18.72÷3=1.47÷0.6=.6÷0.4=÷0.005=81÷2.5=120÷3.6=.6÷2=6.3÷0.0084=1.28÷0.005=39÷1.23=0.00125÷6=92×0.98=0.1-0.047=÷19=3+124+76=×101=.8×5=÷1.2=×14=×3=÷0.13=×0.6=×5=
×0.046=÷0.7=×8.8=×0.05=÷3.6=÷0.7=÷3.2=÷0.18=÷0.03=÷0.024=÷2=÷21=÷3.2=÷0.0003=÷50=÷0.004=×10.1=
7.69×101=3.8×10.1=0.125×72=7×19+7=2.8÷3=.98÷0.23=19.76÷5.2=.81÷7=2÷42=246.4÷13=.17÷0.7=0.4÷0.01=.3+6.7=.4-3.6-1.4=0×0.01=15÷1.5=12.9-8.5=.2×0.4=.8×1.4=+2-8+2=86+198=14-202=526+301=23-99=0.45×2.5=0.8×1.25=0.3×3.6=0.3×0.3=10×0.07=0.3×1.4=0.05×7=0.92×0.4=0.2×0.26=0.14×4=0.02×0.1=1.2×0.3=0.2×0.4=8.2+1.8=100-35.22=.3×4=.5×0.4=2.4×5=0.22×4=.25×0.5=0.9-0.52=.99×1=0×3.52=12.5×8=.4-2.5-1.4=.5×1.25×0.32=12-6.2-3.8=÷5=1.7+0.43+3.3=5×25×4=
250-250÷5=70+50÷50+70=13.7+0.98+0.02+4.3=18.6-3.47-0.53=2×101-72=35×28-35×28=.6×78+78×7.4=.26-=×=1.25×0.8×0.5=÷54=1210.5÷=6.25+3.85-2.125+3.875=3.375+5.75+2.25+6.625=.1×4.3+5.7×2.1=.3756.54+2.4+3.46+0.6=5.61.5×4.2-0.75÷0.25=.270.25×80-0.45÷0.9=.4+2.47.5-5.7×1÷3=12.37-3.25-6.75=16×6.8+2.2×16+16=58.7-16.650.4×4.7×2.5+=.31-1.125-7.875=00×=1.2×=1.530.6÷=.7+3.913.12×=.2+9.7282.4×0.75+1.25÷2.5=÷2.5=.48101×0.36÷=10.5÷+18.25=.111025-1125÷4.5×3.6=0.875×36+4.05÷8.1=30÷=÷3.6+85.7=×28.4=0.1×6.3+2.37×3.7=+0.625)×0.28=-=×72=÷=÷0.034=×0.97+0.97×6.625=×1.8+95.6×8.2=×+3.27×5.7=
×=÷3.7=×÷4.8=
×=÷=÷3.2×1.5=
20.2×0.6-2.12)÷0.1=÷0.8×0.9=
÷0.3×8.5=
-0.72×÷0.16=÷1+1÷0.8-0.1=
-14.88÷2.4=÷4=
58.8÷÷0.02=10.4-7.79÷=.6÷×5=13.7×0.25-3.7÷4=.6×1.25+0.32÷0.4=0.8×=.5×=.2×=.4÷×0.8=19.28+1.82÷0.7=10.56×3.75-3.75×0.56=÷0.4=÷0.042=÷0.-.05=.27÷0.25=1.08÷1.7=1.461.52-1.6×5+5.7=.818.64-4.35×2+20.9=0×÷0.1=1.6×=0.06×÷2=17.6819.8+÷2.3=.6+15.41.5×1.2-0.6÷2.4=0.64.32×15÷12+5.1÷0.85=.68.7-.74÷23+700×0.03=0.38+9.624.38÷=1.6×=.026.5×+2.98=4.75+8.44.5×+9.23=.4+×0.8+4.32=.11×2.75-0.9=14.78+0.22×20÷16=31.710-7.5×=4.2×+.3=2.717.2-4.5×3.6)÷0.32=×=÷=×5+12.8÷0.4×7.5=+=-2.5×4÷8=
×÷0.92=.5+1.3×6)÷1.5=×÷1.2=
×=-8.2×=+8.4×1.5÷0.18=0.2×0.6-2.8]÷0.4=÷5.2+2.7×1.5=÷0.4×1.4=
×=×=÷3.7×5.4=.84-3.9)÷0.4+0.15=×1.027÷0.26)=÷=÷0.23)=+6.5×=-0.72×=-0.5×0.7-1.65=
2.95+10.58-1.53)÷0.25=÷+.3×0.25=
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