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四年级乘除法口算,四年级口算乘除法800题

  • 四年级
  • 2023-05-29
目录
  • 四年级小数乘除法口算
  • 四年级除法口算题卡100道题

  • 四年级小数乘除法口算

    小数乘除法计算题2010-02-07 09:24乘法:码凯辩

    5.6×2.9

    3.77×1.8

    0.02×96

    5.22×0.3

    9.99×0.02

    4.67×0.9

    5×2.44

    1.666×6.1

    9.432×0.002

    5.6×6.5

    4.88×2.9

    5.61×4.3

    8.9×2.4

    5.5×55

    9.77×0.02

    1.384×5.1

    8.78×83

    2.6×61

    0.059×0.2

    4.268×1.7

    57×5.7

    9.46×2.85

    17.8×6.4

    1.5×4.9

    2.5×0.88

    5.555×5.2

    2.22×3.33

    7.658×85

    36.02×0.3

    56.78×8

    除法:

    85.44÷16

    42.84÷7

    101.7÷9

    67.5÷15

    230.4÷6

    21.24÷36

    0.736÷23

    43.5÷12

    35.21÷7

    39.6÷24

    6.21÷0.03

    210÷1.4

    51.3÷0.27

    91.2÷3.8

    0.756÷0.18

    0.66÷0.3

    11.97÷1.5

    69.6÷2.9

    38.4÷0.8

    15÷0.06

    (循环小数的用简便方法,除不迟缺尽保留2位小数):

    8.2÷0.12

    0.8÷0.9

    76.4÷5.4

    4.7÷3

    1.25÷1.2

    32÷42

    14.36÷2.7

    8.33÷6.2

    1.7÷0.03

    2.41÷0.7

    用竖式计算

    0.396÷1.2=0.756÷0.36=15.6×13=

    0.18×15= 0.025×14=3.06×36=

    0.04×0.12= 3.84×2.6≈ 5.76×3=(保留一孙租位小数)

    7.15×22 90.75÷3.33.68×0.25

    16.9÷0.131.55÷3.93.7×0.016

    13.76×0.8= 5.2×0.68.4×1.3

    6.4×0.54.48×0.45.25×5

    35.4×4.20.042×0.54 0.76×0.32

    0.25×0.046 2.52×3.41.08×25

    0.12×0.5×0.16= 4.8×0.25=0.125×1.4≈(保留两位小数)

    2.5÷0.7=(保留三位小数) 10.1÷3.3= (商用循环小数)

    10.75÷12.5= (用乘法验算)3.25×9.04= (用除法验算)

    3、脱式计算(能简算的要简算)

    2.5×7.1×416.12×99+16.125.2×0.9+0.9

    7.28×99+7.28 4.3×50×0.264-2.64×0.5

    26×15.7+15.7×24 (2.275 +0.625)×0.28

    3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8

    8.9×1.1×4.72.7×5.4×3.9 3.6×9.85-5.46

    8.05×3.4+7.66.58×4.5×0.92.8×0.5+1.58

    32+4.9-0.94.8-4.8×0.5(1.25-0.125)×8

    4.8×100.156.5×99+56.5 7.09×10.8-0.8×7.09

    4.85 + 0.35 ÷ 1.4

    8.7 × 17.4 - 8.7 × 7.4

    12.5×0.4×2.5×80.87×3.16+4.649.5×101

    0.68 ÷(5.2 -3.5)× 1.25

    40.5 ÷ 0.81 × 0.184.8 ×(15 ÷ 2.4)

    6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8

    (9.37+9.37+9.37+9.37)× 2.5

    2.37×6.3+2.37×3.7 2.5×1.25×0.323.8×10.1

    2.5×(3.8×0.04) 7.69×101 3.8×10.1

    0.25×39+0.250.125×72 46×0.33+54×0.33

    (8×5.27) ×1.256.81+6.81×99 0.25×185×40

    6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2

    9.5×9913.5×0.98 12.5×8.8

    二、解方程:

    54-X=24 7X=49 126÷X=42

    13+A=28.52.4X=26.47.5x-3x=18

    5×1.3-2x=5.5 24x+6x=63.65.6x+4.4x=5.2

    x+3.86=5.46

    17.89-x=12.89

    40.8+x=57.3

    x-3.25=16

    2x+0.82=8.2

    3+0.5x=7

    7.8÷x=2.6

    80x÷4=12

    5-0.9x=2.75

    2x+0.4x=48

    6-2x+6x=18

    35x+13x=9.6

    0.52×5-4x=0.6

    0.7(x+0.9)=42

    1.3x+2.4×3=12.4

    3.5x = 140

    2x +5 = 40

    15x+6x = 168

    5x+1.5 = 4.5

    13.7—x = 5.29

    4.2 × 3—3x = 5.1 (写出检验过程)

    20.5-4x=8.1

    3.6x÷1.2=9.75

    18×1.5-1.7x=13.4

    18.5x-9.9x=1.721

    9.2x+1.5x=32.1

    7.2×5-8x=11.2

    4x+3×0.7=6.5

    (口算)

    0.6×1.2=0.84÷0.6=4.5×0.1=

    15×0.4=0.1×0.5=2.8÷7=

    100÷0.01=1.4×3=0.72÷8=

    6÷0.03=0.5×0.6=40×0.9=

    4÷0.5=7×2.1=8.89+0.1=

    24×0.25=0.1÷0.01=2.4×0.8=

    9×0.4=10×0.01=30.2-3.02=

    4.3-0.25=1-0.82=9.6÷0.3=

    2.6×0.01=0×25.4=4.8×0.4=

    7.2+2.8=

    12×2.5=

    2.63+0.37=

    0.7×16-16×0.2=

    0.96÷0.3=

    1.5-4.5=

    2.5×0.4

    1.4×2.5×4=

    8-2.5=

    6÷1.2=

    9.2÷2.3=

    24÷4+56÷4=

    0.36+0.64=

    4÷0.25=

    1.8×5=

    30×(200+3)=

    8.4÷4.2=

    8×1.5=

    4.8÷0.3=

    2.73+1.5×4=

    计算下面各题(能简算的要简算)

    7.05×23.7+7.05×76.3

    0.125×3.2×2.5

    12.81-(1.5+7.81)

    8.7×2.6+6.4×8.7+8.7

    1025-1125÷4.5×3.6

    12.25-3.1+0.85-6.17

    (1.9-1.9×0.9)÷(3.8-2.8)

    2.65×1.7+1.35×1.7

    列竖式计算,得数保留一位小数.

    1.2×1.4=0.37×8.4=3.14×2.8=

    0.85×1.12=0.86×5.4=0.15×2.34=

    40÷14=26.37÷31=45.5÷38=

    1560÷35=4.8÷2.3=1.55÷3.9=

    7.2÷2.1=3.87÷7=146.4÷13=

    5.63÷6.1=2.84×0.03=0.38×0.13=

    26.37÷31=32÷42=2.84×0.03=

    4.8÷23=0.382×0.13=4.2÷4.5=

    列竖式计算

    1.64+2.35=8.65-6.31= 28.448÷14= 0.58×250= 12.5+3.6=10.88÷34= 10-7.64= 1.86×7= 13.88-6.29= 926×0.15= 8÷500=26.3+7.93= 23×7.06=100.2-2.28= 44÷9(精确到百分位)

    三、计算(能简便的用简便方法计算)

    8×25×1.25×16

    4.04×250

    45.55-(6.82+15.55)

    3.2×99+3.24.8×39+61×4.834.52-17.87-12.23

    2.5×56+4.5×65489×101-4894.57+3.17+3.43+5.83

    4.6×56+48×4.6-4.6×4

    竖式计算:

    18÷24=43.68÷26=25.3÷0.88=

    0.1575÷3.15=0.612÷1.8=16.787÷0.28

    (保留一位小数)

    1、 算下面各题

    2.36×0.222.8×4.583.57÷4.2 82.8÷36

    45×2.463.6÷0.24 382.5÷45 6.4×5.48

    2、 简便计算

    3.6×2.5+7.5×3.62.5×1.20.125×32 4.3×0.96.5×1023.25×99+3.25

    18÷24= 43.68÷26=25.3÷0.88=

    0.1575÷3.15= 0.612÷1.8=16.787÷0.28

    四年级除法口算题卡100道题

    四年级乘除混合液亩大简便运算公式基本定律乘法:乘法交换律 a×b=b×a乘法结合律 (a×b)×c=a×(b×c)乘法分配律 (a+b)×c=a×c+b×c

    除法:除法的性质 a÷b÷c=a÷(b×c)拓展定律提取公因数带号搬家括号前是除号,括号内要变号记忆特殊算式25×4=100125×8=100011×某数的规律以上就是乘除法的简便运算定律,和加减法比较闹竖,多了一个乘法分配律,这也是所有简便计算定律里,最耐明难掌握的一个。

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