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    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

    (迴圈小數的用簡便方法,除不盡保留2位小數):

    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

    用豎式計算

    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= (保留一位小數)

    7.15×22 90.75÷3.3 3.68×0.25

    16.9÷0.13 1.55÷3.9 3.7×0.016

    13.76×0.8= 5.2×0.6 8.4×1.3

    6.4×0.5 4.48×0.4 5.25×5

    35.4×4.2 0.042×0.54 0.76×0.32

    0.25×0.046 2.52×3.4 1.08×25

    0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈(保留兩位小數)

    2.5÷0.7= (保留三位小數) 10.1÷3.3= (商用迴圈小數)

    10.75÷12.5= (用乘法驗算) 3.25×9.04= (用除法驗算)

    3、脫式計算(能簡算的要簡算)

    2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9

    7.28×99+7.28 4.3×50×0.2 64-2.64×0.5

    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

    8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46

    8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58

    32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8

    4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09

    4.85 + 0.35 ÷ 1.4

    8.7 × 17.4 - 8.7 × 7.4

    12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101

    0.68 ÷(5.2 -3.5)× 1.25

    40.5 ÷ 0.81 × 0.18 4.8 ×(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 2.5×1.25×0.32 3.8×10.1

    2.5×(3.8×0.04) 7.69×101 3.8×10.1

    0.25×39+0.25 0.125×72 46×0.33+54×0.33

    (8×5.27) ×1.25 6.81+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

    9.5×99 13.5×0.98 12.5×8.8

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