17.75减(8.75减3.5)怎样简便计算?
更新时间:2022-03-16 12:23:38 • 作者:ELEANOR •阅读 5642
18.7减3.375减6.625简便运算?
18.7-3.375-6.625
=18.7-(3.375+6.625)
=18.7-10
=8.7
满意望采纳
18.75-(6.5+8.75+3.5)怎么简便计算
18.75–6.5–8.75–3.5
=18.75()
=18.75–(6.5+3.5+8.75)
=18.75–(10+8.75)
=18.75–18.75
=0
17.15-(3.5-3.85)怎样用简便算法
17.15-(3.5-3.85)
=17.15+3.85-3.5
=21-3.5
=17.5
4.72减(3.5减0.72)的简便算法怎么算
4.72-(3.5-0.72)
=4.72-2.78
=1.94