题目

直接写出得数 - =        + =         4÷3=          + = + =        1- =          0.2²=         - = 答案：79 - 29 = 59         15 + 17 = 1235          4÷3= 43          911 + 211 =1 23 + 16 = 56         1- 38 = 58           0.2²=0.04         34 - 25 = 720

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