Question

%*X+20=X方程75怎么解

Answer 1

X=70/(1+150/%)=28

X=15/30%=45

X=55/(1+25%)X=44

X=(50-20)/40%=75

X=40/(1-80%)=200

X=25.2/63%=40.6

X=140/(55%-20%)=400

X=(7.24-7)/24%=100

X=5/(1-75%)=20