题目内容
6.8×0.9÷6.8×0.9的计算结果是
- A.1
- B.0.81
- C.0
B
分析：依据四则运算计算方法，先算第二级运算，再算第一级运算，如果只含有同一级运算，按照从左到右顺序计算，有括号先算括号里面的解答．
解答：6.8×0.9÷6.8×0.9，
=6.12÷6.8×0.9，
=0.9×0.9，
=0.81．
故答案为：B．
点评：本题主要考查学生依据四则运算计算方法正确进行计算的能力．
分析：依据四则运算计算方法，先算第二级运算，再算第一级运算，如果只含有同一级运算，按照从左到右顺序计算，有括号先算括号里面的解答．
解答：6.8×0.9÷6.8×0.9，
=6.12÷6.8×0.9，
=0.9×0.9，
=0.81．
故答案为：B．
点评：本题主要考查学生依据四则运算计算方法正确进行计算的能力．
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