Ответ:\(148,72+2,309=148,720+2,309=151,029\).\(1487,2+2,309=1487,200+2,309=1489,509\).\(14,872+2,309=17,181\).\(148,72+23,09=148,72+23,090=171,810=171,81\).Ответ: 151,029; 1489,509; 17,181; 171,81.