五年级下册数学算式?(100)1-(8/13+5/13) 五年级下册数学计算题大全分数 1、5米长的铁丝,用去 米,还剩( )米。 2、5.5米的铁丝,用去全长的 ,还剩全长的 ,还剩( )米。 3、一条绳子长4米,用去 ,还剩 ,还剩()米。 4、那么,五年级下册数学算式?一起来了解一下吧。
例1、5.76+13.67+4.24+6.33 =(5.76+4.24)+(13.67+6.33) =10+10 =20 例2、37.24+23.79-17.24 =37.24-17.24+23.79 =20+23.79 =43.79 例3、 4×3.78×0.25 =4×0.25×3.78 =1×3.78 =3.78 例4、 125×246×0.8 =125×0.8×246 =100×246 =24600 例5、(2.5+12.5)×40 =2.5×40+12.5×40 =100+500 =600 例6、3.68×4.79+6.32×4.79 =(3.68+6.32)×4.79 =10×4.79 =47.9 例7. 26.86×25.66-16.86×25.66 =(26.86-16.86) ×25.66 =10×25.66 =256.6 例8、 5.7×99+5.7 = 5.7×(99+1) =5.7×100 =570 例9、34×9.9 =34×(10-0.1) =34×10-34×0.1 =340-3.4 =336.6 例10、 57×101 =57×(100+1) =57×100+57×1 =5757 例11、7.8×1.1 =7.8×(1+0.1) =7.8×1+7.8×0.1 =7.8+0.78 =8.58 例12、25×32 =25×4×8 =100×8 =800 例13、125×0.72 =125×8×0.09 =1000×0.09 =90 例14、87×2/85 =(85+2) ×2/85 =85×2/85+2×2/85 =2+4/85 =2又4/85 例15、56.5-3.7-6.3 =56.5-(3.7+6.3) =56.5-10 =46.5 例16、32.6÷0.4÷2.5 =32.6÷(0.4×2.5) =32.6÷1 =32.6 例16、86.7×0.356+1.33×3.56 =8.67×3.56+1.33×3.56 =(8.67+1.33)×3.56 =10×3.56 =35.6 例17、15.6÷4-5.6×1/4 =15.6×1/4-5.6×1/4 =(15.6-5.6)×1/4 =10×1/4 =2又1/2 例18、16/23×27+16×19/23 =27/23×1616×19/23 =16×(27/23+19/23) =16×2 =32
这篇关于小学五年级下册数学计算题,是特地为大家整理的,希望对大家有所帮助!
一、直接写得数。(共 10分)
0.4×40= 8.63-0.21= 4.2÷7= 0.81÷9= 6.7+13=
84÷0.2= 0.24÷0.6= 4×0.25= 0.125×0.8= 6.9÷23=
二、认真填空。(共 21 分)
1.
2. .945保留整数约是( ),精确到十分位约是( )。
3. 循环小数0.444…还可以写作( ),循环小数0.15656…还可以写作( ),
4. 下面各题的商哪些大于1 的?在( )里画“√”
3.4÷2 ( ) 6.98÷7 ( ) 16.87÷16 ( ) 9.98÷11 ( )
5.( )×25=7.5 ( )×8=70 60.6÷( )=12 ( )÷2.5=0.8
0.98÷1.4=( )÷1.4=( ) 84÷0.03=( )÷3=( )
6.根据864÷12=72 填空:
86.4÷1.2=( ) 86.4÷12=( ) 86.4÷( )=720
三、用竖式计算,除不尽的用循环小数表示商。(共15分)
1.26÷18 5.98÷0.26 1.89÷3.5 30.1÷33 13÷11
四、计算下面各题。
4/9×3= 5÷1/3 = 1/2÷1/3 =
2/7×3/9 ÷2/7 = 21/25÷42=
4/5×3/4 = 8.7×0.2= 4×0.25=
1/7×14= 2/3÷5/6= 1.25×8=
3/5÷5/8= 6/7×3/2= 6×8.8=
4/11÷4= 4/9×3/8= 5/3÷5=
0÷8/3= 4/7 -2/3= 2/7×2 =
41/12×4= 4÷3/16= 12÷9/4 =
75/8 ÷5= 12×16/9 = 2/3×3=
8÷9/4 = 5/3÷3/5 = 4/5×5/8 =
7/9×9/7 =
如下:
1. 4/9×4/3=16/27
2. 1/3×1/3=1/9
3. 1/2×1/3=1/6
4. 4/5×3/4=3/5
5. 8/7×1/2=4/7
6. 3/5×5/8=3/8
7. 6/7×3/2=9/7
8. 5/6×8/3=20/9
9. 4/11×3/4=3/11
10. 4/9×3/8=1/6
乘除法
1、分数乘整数,分母不变,分子乘整数,最后能约分的要约分。
2、分数乘分数,用分子乘分子,用分母乘分母,最后能约分的要约分。
3、分数除以整数,分母不变,如果分子是整数的倍数,则用分子除以整数,最后能约分的要约分。
4、分数除以整数,分母不变,如果分子不是整数的倍数,则用这个分数乘这个整数的倒数,最后能约分的要约分。
5、分数除以分数,等于被除数乘除数的倒数,最后能约分的要约分。
5×700=35001.45+15×6= 1352.250÷5×8=4003.6×5÷2×4=604.30×3+8=985.400÷4+20×5= 2006.10+12÷3+20=347.(80÷20+80)÷4=218.70+(100-10×5)=1209.360÷40= 910.40×20= 80011.80-25= 5512.70+45=11513.90×2= 18014.16×6= 9615.300×6= 180016.540÷9=6017.30×20= 60018.400÷4= 10019.350-80= 27020.160+70=23021.18-64÷8= 1022.42÷6+20=2723.40-5×7= 524.80+60÷3=10025.41+18÷2= 5026.75-11×5= 2027.42+7-29= 2028.5600÷80=7029.25×16= 40030.120×25= 300031.36×11= 39632.1025÷25=4133.336+70= 40634.25×9×4= 90035.200-33×3= 10136.3020-1010=201037.12×50= 60038.25×8= 20039.23×11= 25340.125÷25=541.4200-2200=200042.220+80= 30043.20×8×5= 80044.600-3×200=045.20+20÷2= 3046.35-25÷5= 3047.36+8-40= 448.2800÷40=7049.98÷14 = 750.96÷24 = 451.56÷14 =452.65÷13 = 553.75÷15 = 554.120÷24 =555.200÷25 = 856.800÷16 = 5057.840÷21 =4058.560÷14 = 4059.390÷13 = 3060.600÷15 =4061.72÷24 = 362.85÷17 = 563.90÷15 =664.96÷16 = 665.78÷26 = 466.51÷17 =367.80÷40 = 268.100÷20 = 569.100÷4 =2570.240÷40 = 671.920÷4 = 23072.300÷60=573.64÷2 = 3274.64÷4 = 1675.50÷5 =1076.60÷8 = 7.577.96÷4 = 2478.90÷6 =1579.400+80 = 48080.400-80 = 32081.40×80 =320082.400÷80 = 583.48÷16 = 384.96÷24 =485.160×5= 80086.4×250= 100087.0×518= 088.10×76= 76089.36×10=36090.15×6= 9091.24×3= 7292.5×18= 9093.26×4= 7494.7×15=10595.32×30= 96096.40×15= 60097.60×12= 72098.23×30= 69099.30×50=1500100.5×700=3501.45+15×6= 135 2.250÷5×8=400 3.6×5÷2×4=60 4.30×3+8=98 5.400÷4+20×5= 200 6.10+12÷3+20=34 7.(80÷20+80)÷4=21 8.70+(100-10×5)=120 9.360÷40= 9 10.40×20= 800 11.80-25= 55 12.70+45=115 13.90×2= 180 14.16×6= 96 15.300×6= 1800 16.540÷9=60 17.30×20= 600 18.400÷4= 100 19.350-80= 270 20.160+70=230 21.18-64÷8= 10 22.42÷6+20=27 23.40-5×7= 5 24.80+60÷3=100 25.41+18÷2= 50 26.75-11×5= 20 27.42+7-29= 20 28.5600÷80=70 29.25×16= 400 30.120×25= 3000 31.36×11= 396 32.1025÷25=41 33.336+70= 406 34.25×9×4= 900 35.200-33×3= 101 36.3020-1010=2010 37.12×50= 600 38.25×8= 200 39.23×11= 253 40.125÷25=5 41.4200-2200=2000 42.220+80= 300 43.20×8×5= 800 44.600-3×200=0 45.20+20÷2= 30 46.35-25÷5= 30 47.36+8-40= 4 48.2800÷40=70 49.98÷14 = 7 50.96÷24 = 4 51.56÷14 =4 52.65÷13 = 5 53.75÷15 = 5 54.120÷24 =5 55.200÷25 = 8 56.800÷16 = 50 57.840÷21 =40 58.560÷14 = 40 59.390÷13 = 30 60.600÷15 =40 61.72÷24 = 3 62.85÷17 = 5 63.90÷15 =6 64.96÷16 = 6 65.78÷26 = 4 66.51÷17 =3 67.80÷40 = 2 68.100÷20 = 5 69.100÷4 =25 70.240÷40 = 6 71.920÷4 = 230 72.300÷60=5 73.64÷2 = 32 74.64÷4 = 16 75.50÷5 =10 76.60÷8 = 7.5 77.96÷4 = 24 78.90÷6 =15 79.400+80 = 480 80.400-80 = 320 81.40×80 =3200 82.400÷80 = 5 83.48÷16 = 3 84.96÷24 =4 85.160×5= 800 86.4×250= 1000 87.0×518= 0 88.10×76= 760 89.36×10=360 90.15×6= 90 91.24×3= 72 92.5×18= 90 93.26×4= 74 94.7×15=105 95.32×30= 960 96.40×15= 600 97.60×12= 720 98.23×30= 690 99.30×50=1500 100.5×700=3501.45+15×6= 1352.250÷5×8=4003.6×5÷2×4=604.30×3+8=985.400÷4+20×5= 2006.10+12÷3+20=347.(80÷20+80)÷4=218.70+(100-10×5)=1209.360÷40= 910.40×20= 80011.80-25= 5512.70+45=11513.90×2= 18014.16×6= 9615.300×6= 180016.540÷9=6017.30×20= 60018.400÷4= 10019.350-80= 27020.160+70=23021.18-64÷8= 1022.42÷6+20=2723.40-5×7= 524.80+60÷3=10025.41+18÷2= 5026.75-11×5= 2027.42+7-29= 2028.5600÷80=7029.25×16= 40030.120×25= 300031.36×11= 39632.1025÷25=4133.336+70= 40634.25×9×4= 90035.200-33×3= 10136.3020-1010=201037.12×50= 60038.25×8= 20039.23×11= 25340.125÷25=541.4200-2200=200042.220+80= 30043.20×8×5= 80044.600-3×200=045.20+20÷2= 3046.35-25÷5= 3047.36+8-40= 448.2800÷40=7049.98÷14 = 750.96÷24 = 451.56÷14 =452.65÷13 = 553.75÷15 = 554.120÷24 =555.200÷25 = 856.800÷16 = 5057.840÷21 =4058.560÷14 = 4059.390÷13 = 3060.600÷15 =4061.72÷24 = 362.85÷17 = 563.90÷15 =664.96÷16 = 665.78÷26 = 466.51÷17 =367.80÷40 = 268.100÷20 = 569.100÷4 =2570.240÷40 = 671.920÷4 = 23072.300÷60=573.64÷2 = 3274.64÷4 = 1675.50÷5 =1076.60÷8 = 7.577.96÷4 = 2478.90÷6 =1579.400+80 = 48080.400-80 = 32081.40×80 =320082.400÷80 = 583.48÷16 = 384.96÷24 =485.160×5= 80086.4×250= 100087.0×518= 088.10×76= 76089.36×10=36090.15×6= 9091.24×3= 7292.5×18= 9093.26×4= 7494.7×15=10595.32×30= 96096.40×15= 60097.60×12= 72098.23×30= 69099.30×50=1500100.5×700=3501.45+15×6= 135 可以给财富了吧!!!!!!!!!!!!!!!--!
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相关问题
4.257的计数单位是( )
4.257的计数单位是(0.001 )它有(4257 )个这样的单位。
以上就是五年级下册数学算式的全部内容,五、把下列的假分数化成带分数或整数(每题3分,共18分)。275 = 186 = 194 = 158 = 213 = 209 = 六、把下列带分数化成假分数(每题3分,共18分)。