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九义教材小学数学第九册第36页第8题: 小华在计算30.6除以一个数时,由于小数点向右点错了一位,结果得204。这道题的除数是多少? 《教师教学用书》是这样解答的:此题
Nine textbooks primary school mathematics ninth ninth 36th page 8: Xiaohua in the calculation of 30.6 divided by a number, because the decimal point to the right one wrong, the result was 204. What is the divisor of this question? The “Teacher's Teaching Book” answers this question: This question