34.6-12.25-5.57的简便运算的答案?
3个回答
展开全部
34.6-12.25-5.57
=34.6-(12.25+5.57)
=34.6-17.82
=34.6-18+0.18
=16.6+0.18
=16.78
=34.6-(12.25+5.57)
=34.6-17.82
=34.6-18+0.18
=16.6+0.18
=16.78
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展开全部
34.6-l2.25一5.57
=34.6一(l2.25+5.57)
=34.6一l7.82
=34.6-17-0.8一0.02
=l7.6一0.8一0.02
=l6.8一0.02
=16.78
=34.6一(l2.25+5.57)
=34.6一l7.82
=34.6-17-0.8一0.02
=l7.6一0.8一0.02
=l6.8一0.02
=16.78
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