小明家的客厅长5米,宽4米,客厅的周长是多少米?-e:c:l)R,e/E;g1z6n.Z6r
算式:提示:P4z3z1T'm:|.c4[;L-e:c:l)R,e/E;g1z6n.Z6r
答:客厅的周长是8~0`+\9g.c/a5j4n5N0d米。-e:c:l)R,e/E;g1z6n.Z6r