40%x+4=60
0.4x=60-4
0.4x=56
x=140
x÷(1-46)=27分之25
x/45=25/27
x=125/3
x-12%x=2.816
0.88x=2.816
x=3.2
请点击“采纳为答案”
0.4x=60-4
0.4x=56
x=140
x÷(1-46)=27分之25
x/45=25/27
x=125/3
x-12%x=2.816
0.88x=2.816
x=3.2
请点击“采纳为答案”