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  • 科目:数学
  • 题型:解答题
  • 难度:中等
  • 人气:1583

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.

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口算(1)3.2×0.21.4×0.43.3÷31.2÷0.