113÷(1+13%)×13%-3.7-2.8怎么算
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答案6.5,计算过程:113÷(1+13%)×13%-3.7-2.8 =113➗1.13x0.13-3.7-2.8 =100x0.13-3.7-2.8 =13-3.7-2.8 =9.3-2.8 =6.5,13%=0.13,百分数化成小数,然后按照顺序计算
咨询记录 · 回答于2023-02-22
113÷(1+13%)×13%-3.7-2.8怎么算
答案6.5,计算过程:113÷(1+13%)×13%-3.7-2.8 =113➗1.13x0.13-3.7-2.8 =100x0.13-3.7-2.8 =13-3.7-2.8 =9.3-2.8 =6.5,13%=0.13,百分数化成小数,然后按照顺序计算
答案6.5,计算过程:113÷(1+13%)×13%-3.7-2.8 =113➗1.13x0.13-3.7-2.8 =100x0.13-3.7-2.8 =13-3.7-2.8 =9.3-2.8 =6.5,13%=0.13,百分数化成小数,然后按照顺序计算
你好,能理解吧
不理解
1+13%=1+0.13=1.13,113➗1.13=100,100x0.13=13,13-3.7=9.3,9.3-2.8=6.5
谢谢
500×(1-30%)×1.2%
这个怎么算
500×(1-30%)×1.2%=500x0.7x0.012=350x0.012=4.2
1.2%=0.012
括号里在细致一下
1-30%=1-0.3=0.7