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21.36除0.8减12.7

解答 21.36÷0.8-12.7 =26.7-12.7 =14

解: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...

21.36÷0.8-12.9 =26.7-12.9 =13.8

21.36除以0.8减9.78 =213.6÷8-9.78 =213.6÷2÷4-9.78 =106.8÷4-9.78 =26.7-10+0.22 =16.7+0.22 =16.92

最简便的就是用计算器喽

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

(1)21.36÷0.8-10.8=26.7-10.8=15.9答:差是15.9.(2)0.45×14÷0.15=6.3÷0.15=42答:商是42.

36×7加36×21减去36 简便运算 解:根据提取公因式的简便方法, 原式=36x(7+21-1) =36x(28-1) =36x27 =36x3x9 =108x9 =972

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