1.—3/5+丨3/4+(—4)丨+(—2/5) 2.—1/2+4/5+(_2/3)+1/2+(_1/3) 3.(_0.
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1.—3/5+丨3/4+(—4)丨+(—2/5) 2.—1/2+4/5+(_2/3)+1/2+(_1/3) 3.(_0.5)+3.75+2.25+(_5.5)
答者重赏.
答者重赏.
![1.—3/5+丨3/4+(—4)丨+(—2/5) 2.—1/2+4/5+(_2/3)+1/2+(_1/3) 3.(_0.](/uploads/image/z/19871048-56-8.jpg?t=1.%E2%80%943%2F5%2B%E4%B8%A83%2F4%2B%EF%BC%88%E2%80%944%EF%BC%89%E4%B8%A8%2B%EF%BC%88%E2%80%942%2F5%EF%BC%89+2.%E2%80%941%2F2%2B4%2F5%2B%28_2%2F3%29%2B1%2F2%2B%28_1%2F3%29+3.%28_0.)
—3/5+丨3/4+(—4)丨+(—2/5)
=-0.6+3.25-2.4
=3.25-3
=0.25
—1/2+4/5+(_2/3)+1/2+(_1/3)
=1/2-1/2+4/5-(2/3+1/3)
=0+4/5-1
=-1/5
(_0.5)+3.75+2.25+(_5.5)
=(3.75+2.25)-(5.5+0.5)
=6-6
=0
=-0.6+3.25-2.4
=3.25-3
=0.25
—1/2+4/5+(_2/3)+1/2+(_1/3)
=1/2-1/2+4/5-(2/3+1/3)
=0+4/5-1
=-1/5
(_0.5)+3.75+2.25+(_5.5)
=(3.75+2.25)-(5.5+0.5)
=6-6
=0
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