17.25—(4.25+6.8)简算

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17.25—(4.25+6.8)简算
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17.25—(4.25+6.8)简算
17.25—(4.25+6.8)简算

17.25—(4.25+6.8)简算
17.25—(4.25+6.8)
=17.25-4.25-6.8
=13-6.8
=13-7+0.2
=6.2

17.25—(4.25+6.8)
=17.25-4.25-6.8
=13-6.8
=6.2

=(17.25-4.25)-6.8
=13-6.8
=6.2

25* (2/25+6/17)*17