Question

一根电线，剪下了28.6米，剩下的比剪下的多12.9米，这根电线原来有多少米

请教老师们

Answer 1

70.1米

Answer 2

28.6*2+12.9=70.1

Answer 3

28.6+(28.6+12.9)=70.1米

Answer 4

28.6+12.9=41.5(米)
41.5+28.6=70.1(米)

Answer 5

28.6+12.9+28.6 =70.1