问题
解答题
1
|
答案
1
÷(x-45%)=2.8,2 5
1.4÷(x-0.45)=2.8,
x-0.45=1.4÷2.8,
x-0.45=0.5,
x-0.45+0.45=0.5+0.45,
x=0.95;
1
|
1
÷(x-45%)=2.8,2 5
1.4÷(x-0.45)=2.8,
x-0.45=1.4÷2.8,
x-0.45=0.5,
x-0.45+0.45=0.5+0.45,
x=0.95;