计算(1)-2.5+(-1/5); (2)0.4-(-1/4)+1/6(2)1/3-(-5/6)+2/3; (4)1/3+(-1/5)+1+2/3;(5)27-18+(-7)-32; (6)0.5+(-1/4)-(-2.75)+1/2
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![计算(1)-2.5+(-1/5); (2)0.4-(-1/4)+1/6(2)1/3-(-5/6)+2/3; (4)1/3+(-1/5)+1+2/3;(5)27-18+(-7)-32; (6)0.5+(-1/4)-(-2.75)+1/2](/uploads/image/z/750293-53-3.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%881%EF%BC%89-2.5%2B%EF%BC%88-1%2F5%EF%BC%89%EF%BC%9B+%EF%BC%882%EF%BC%890.4-%EF%BC%88-1%2F4%EF%BC%89%2B1%2F6%EF%BC%882%291%2F3-%28-5%2F6%29%2B2%2F3%3B+%EF%BC%884%EF%BC%891%2F3%2B%EF%BC%88-1%2F5%EF%BC%89%2B1%2B2%2F3%EF%BC%9B%EF%BC%885%EF%BC%8927-18%2B%EF%BC%88-7%EF%BC%89-32%EF%BC%9B+%EF%BC%886%EF%BC%890.5%2B%EF%BC%88-1%2F4%EF%BC%89-%EF%BC%88-2.75%EF%BC%89%2B1%2F2)
计算(1)-2.5+(-1/5); (2)0.4-(-1/4)+1/6(2)1/3-(-5/6)+2/3; (4)1/3+(-1/5)+1+2/3;(5)27-18+(-7)-32; (6)0.5+(-1/4)-(-2.75)+1/2
计算
(1)-2.5+(-1/5); (2)0.4-(-1/4)+1/6
(2)1/3-(-5/6)+2/3; (4)1/3+(-1/5)+1+2/3;
(5)27-18+(-7)-32; (6)0.5+(-1/4)-(-2.75)+1/2
计算(1)-2.5+(-1/5); (2)0.4-(-1/4)+1/6(2)1/3-(-5/6)+2/3; (4)1/3+(-1/5)+1+2/3;(5)27-18+(-7)-32; (6)0.5+(-1/4)-(-2.75)+1/2
(1) -2.7
(2) =2/5+1/4+1/6=49/60
(3)=1+5/6=11/6
(4)=2-1/5=9/5
(5)=20-50=-30
(6)=1-0.25+2.75=3.5
你好,很高兴回答您的问题!
1.-2.5-0.2=-2.7
2.0.4+0.25+1/6=49/60
3.通分为2/6+5/6+4/6=11/6(注意负负变正)
4.1/3+2/3-0.2+1=1+1-0.2=1.8
5.27-18-7-32=-30
6.0.5-0.25+2.75+0.5=3.5(注意变号)
因为比较简单,若需要详细解答请追...
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你好,很高兴回答您的问题!
1.-2.5-0.2=-2.7
2.0.4+0.25+1/6=49/60
3.通分为2/6+5/6+4/6=11/6(注意负负变正)
4.1/3+2/3-0.2+1=1+1-0.2=1.8
5.27-18-7-32=-30
6.0.5-0.25+2.75+0.5=3.5(注意变号)
因为比较简单,若需要详细解答请追问!谢谢!
希望能够帮助到你!如有疑问请在追问中提出!
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