Question

10．$\frac{1}{5}×\frac{1}{5}÷\frac{1}{5}÷\frac{1}{5}+\frac{1}{5}-\frac{1}{5}=0$×（判断对错）

Answer 1

分析 先算乘法，再算除法，再算加法，最后算减法，求出结果，然后再进一步解答．

解答 解：$\frac{1}{5}$×$\frac{1}{5}$÷$\frac{1}{5}$÷$\frac{1}{5}$+$\frac{1}{5}$-$\frac{1}{5}$
=$\frac{1}{25}$÷$\frac{1}{5}$÷$\frac{1}{5}$+$\frac{1}{5}$-$\frac{1}{5}$
=$\frac{1}{5}$÷$\frac{1}{5}$+$\frac{1}{5}$-$\frac{1}{5}$
=1+$\frac{1}{5}$-$\frac{1}{5}$
=1$\frac{1}{5}$-$\frac{1}{5}$
=1．
故答案为：×．

点评 考查了分数四则混合运算，注意运算顺序和运算法则．