X*0.12+X*0.03+X*0.05+X*0.0353=13748
(0.12+0.03+0.05+0.0353)*X=13748
0.2353X=13748
x=58427.5393
X*0.12+X*0.03+X*0.05+X*0.0353=13748 X等于多少?急 中间那个*是乘的意思
X*0.12+X*0.03+X*0.05+X*0.0353=13748
(0.12+0.03+0.05+0.0353)*X=13748
0.2353X=13748
x=58427.5393