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1、试题题目:口算(1)3.2×0.21.4×0.43.3÷31.2÷0.3(2)2.5×0.41.5×20...

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试题原文

口算
(1)3.2×0.2             1.4×0.4          3.3÷3         1.2÷0.3
(2)2.5×0.4            1.5×2           0.7×7           7.3+0.3
(3)0.53-0.3            1.8×0.5          0.9×0.01       0.23×3
(4)0.56÷8            1.23×3           1.6÷0.04        7.3+2.7
(5)2-1.2              7.8÷6            8.4÷0.21        8.4÷0.7
(6)5.6+3.6           9-2.35             0.56÷8        1.23×3
(7)5.6÷0.4           4.5÷0.9           8.1×2         90÷3
(8)1.23+3            5.6+1.23          4.5×2         5.6÷1.4
(9)4.8÷1.2          7.2÷0.9          6.6÷1.1         7.2÷6
(10)2.1÷3            0.6×0.5          3.23×2         1.8÷3
(11)12.5÷0.1         0.32÷0.8         1.6+3.7          0.45×0.2
(12)0.36÷1.8         0.4×0.5           8.4+5.6        8.4÷2.1
(13)4.8÷0.08         4.8÷0.8           3+2.3          9.3÷3
(14)0.01×8          7.31×100         0.09×6        0.8×0.6
(15)1.25×8           3÷5              2.3+2.3        6.23+3.6.

  试题来源:不详   试题题型:填空题   试题难度:偏易   适用学段:小学   考察重点:小数的加法和减法



2、试题答案:该试题的参考答案和解析内容如下:
口算
(1)3.2×0.2=0.64             1.4×0.4=0.56         3.3÷3=1.1         1.2÷0.3=4
(2)2.5×0.4=1                1.5×2=3             0.7×7=4.9           7.3+0.3=7.6
(3)0.53-0.3=0.23            1.8×0.5=0.9          0.9×0.01=0.009       0.23×3=0.69
(4)0.56÷8=0.07             1.23×3=3.69           1.6÷0.04=40        7.3+2.7=10
(5)2-1.2=0.8                7.8÷6=1.3            8.4÷0.21=40         8.4÷0.7=12
(6)5.6+3.6=9.2              9-2.35=6.65           0.56÷8=0.07        1.23×3=3.69
(7)5.6÷0.4=14              4.5÷0.9=5            8.1×2=16.2         90÷3=30
(8)1.23+3=4.23              5.6+1.23=6.83          4.5×2=9           5.6÷1.4=4
(9)4.8÷1.2=4               7.2÷0.9=8           6.6÷1.1=6           7.2÷6=1.2
(10)2.1÷3=0.7             0.6×0.5=0.3          3.23×2=6.46         1.8÷3=0.6
(11)12.5÷0.1=125          0.32÷0.8=0.4         1.6+3.7=5.3          0.45×0.2=0.09
(12)0.36÷1.8=0.2          0.4×0.5=0.2           8.4+5.6=14          8.4÷2.1=4
(13)4.8÷0.08=60            4.8÷0.8=6           3+2.3=5.3            9.3÷3=3.1
(14)0.01×8=0.08           7.31×100=731         0.09×6=0.54        0.8×0.6=0.48
(15)1.25×8=10             3÷5=0.6              2.3+2.3=4.6          6.23+3.6=9.83.
3、扩展分析:该试题重点查考的考点详细输入如下:

    经过对同学们试题原文答题和答案批改分析后,可以看出该题目“口算(1)3.2×0.21.4×0.43.3÷31.2÷0.3(2)2.5×0.41.5×20...”的主要目的是检查您对于考点“小学小数的加法和减法”相关知识的理解。有关该知识点的概要说明可查看:“小学小数的加法和减法”。


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