从8里面连续减去多少个0.2,还剩0.4

2025-12-13 23:57:00
推荐回答(1个)
回答1:

解:依题意得
(8-0.4)÷0.2
=7.6÷0.2
=38
答:从8里面连续减去38个0.2,还剩0.4