0.25+25%x=1.60.25x=1.6-0.250.25x=1.35x=1.35/0.25x=5.4谢谢,请采纳
25%x=1.6-0.25x=1.35÷1/4x=1.35×4x=5.4
0.25x=1.6-0.250.25x=1.35x=5.4
0.25加25%x=1.60.25+0.25x=1.61+x=6.4x=5.4