6.75+0.5-4.86怎么简便运算
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![6.75+0.5-4.86怎么简便运算](/uploads/image/z/1128370-58-0.jpg?t=6.75%2B0.5-4.86%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
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6.75+0.5-4.86怎么简便运算
6.75+0.5-4.86怎么简便运算
6.75+0.5-4.86怎么简便运算
6.75+0.5-4.86
=6+0.75+0.5-(5-0.14)
=6-5+(0.75+0.5+0,14)
=2.39
6.75+0.5-4.86
=7.25-5+0.14
=2.25+0.14
=2.39
6.75+0.5-4.86
=7.25-5+0.14
=2.25+0.14
=2.39