| 2×0.3= | - = | ÷60%= | ÷0.5= | 36÷4= | 12.86+8.14= |
12× + = | ÷42= | × + = | 14× - = | ÷4×4= | + ÷ + = |
| 解:2×0.3=0.6, | - = , | ÷60%= , | ÷0.5=1 , | 36÷4=9, | 12.86+8.14=21, |
12× + =9 , | ÷42= , | × + = , | 14× - =1 , | ÷4×4= , | + ÷ + =1 . |
分析:横向数:(1)(5)(6)依据小数四则运算计算方法解答,
(2)(3)(4)(7)(8)(9)(10)(11)(12)依据分数四则运算计算方法解答.
点评:本题主要考查学生依据四则运算计算方法解决问题的能力.
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