5.1÷[(1-100分之47)÷0.53]
问题描述:
5.1÷[(1-100分之47)÷0.53]
答
5.1÷[(1-100分之47)÷0.53]
=5.1÷[53/100÷0.53]
=5.1÷[0.53÷0.53]
=5.1÷1
=5.1