4.37×0.55＋56.3×0.055
=4.37×0.55＋5.63×0.55
=(4.37+5.63)x0.55
=10x0.55
=5.5不对，得数应该是0.365啊放心吧不可能错得！ 祝学习进步，望采纳~~