www.whkt.net > 21.36除以0.8减12.9

21.36除以0.8减12.9

21.36÷0.8-12.9=26.7-12.9=13.8

21.36除0.8减12.9=26.7-12.9=13.8; 请采纳 如果你认可我的回答,敬请及时采纳,~如果你认可我的回答,请及时点击【采纳为满意回答】按钮 ~~手机提问的朋友在客户端右上角评价点【满意】即可.~你的采纳是我前进的动力 ~~O(∩_∩)O,记得好评和采纳,互相帮助

展开全部=21.36/0.8-12.9=213.6/8-12.9=26.7-12.9=13.8

21.36除以0.8减0.8=26.7*0.8÷0.8-0.8=26.7-0.8=25.9

21.36除以0.8-12.9能用简便方法吗?怎么算21.36/0.8-12.9=21.36x10/8-12.9=26.7-12.9=13.8

21.36/0.8-12.9=26.7-12.9=13.8

21.36÷0.8-12.9=21.36÷4/5-12.9=21.36*5/4-12.9=534*5-12.9=267-12.9=138

=21.36/0.8-12.9=213.6/8-12.9=26.7-12.9=13.8

12.9加21.36除以0.8简便计算12.9加21.36除以0.8=12.9+26.7=39.6没有合适的简便方法

12.3*8.5+36.9*0.5 =12.3*8.5+12.3*3*0.5 =12.3*(8.5+1.5) =12.3*10 =123

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