优优班--学霸训练营 > 题目详情
  • 计算:
    2×3×4+4×6×8+6×9×12
    1×2×3+2×4×6+3×6×9
        
    1+
    1
    2
    +
    1
    4
    +
    1
    8
    +
    1
    16
    +
    1
    32
                 
     
    1988+1989×1987
    1988×1989-1

    1
    1
    3
    -
    7
    12
    +
    9
    20
    -
    11
    30
    +
    13
    42
    -
    15
    56
                   
    2356÷2356
    2356
    2357
             
    0.125×
    3
    4
    +
    1
    8
    ×8.25
    +12.5%
    (1+
    3
    4
    )×(1-
    3
    4
    )×(1+
    3
    7
    )×(1-
    3
    7
    )×(1+
    3
    10
    )×(1-
    3
    10
    )…×(1+
    3
    100
    )×(1-
    3
    100

    0.
    4
    -0.0
    4
    -0.00
    4

    0.1
    1
    +0.1
    2
    +0.1
    3
    +0.1
    4
    +0.1
    5
    +0.1
    6
    +0.1
    7
    +0.1
    8
    【考点】小数的巧算,认识钟表
    【分析】请登陆后查看
    【解答】请登陆后查看
    难度:较难
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