问题
解答题
一根电线,剪下了28米6分米,剩下的比剪下的多12.9米,这跟电线原来有多少米?
答案
28米6分米=28.6米,
28.6+12.9+28.6,
=41.5+28.6,
=70.1(米);
答:这跟电线原来有70.1米.
一根电线,剪下了28米6分米,剩下的比剪下的多12.9米,这跟电线原来有多少米?
28米6分米=28.6米,
28.6+12.9+28.6,
=41.5+28.6,
=70.1(米);
答:这跟电线原来有70.1米.