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1÷(□×0.1)=100,□表示的数是


  1. A.
    0.1
  2. B.
    1
  3. C.
    10
  4. D.
    100
A
分析:先化简方程,再依据等式的性质,方程两边同时乘0.1□,最后同时除以10求解.
解答:1÷(□×0.1)=100,
1÷0.1□×0.1□=100×0.1□,
1=10□,
1÷10=10□÷10,
□=0.1,
故选:A.
点评:本题解答的实质还是解方程,只不过把□看作未知数x罢了.
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