
展开全部
95.6-(62.45-31.8)
=95.6-(62.45-32+0.2)
=95.6-(30.45+0.2)
=95.6-(30.45+0.15+0.05)
=95.6-(30.6+0.05)
=95.6-30.6-0.05
=65-0.05
=64.95
=95.6-(62.45-32+0.2)
=95.6-(30.45+0.2)
=95.6-(30.45+0.15+0.05)
=95.6-(30.6+0.05)
=95.6-30.6-0.05
=65-0.05
=64.95
展开全部
95.6+31.8-62.45
=100+31.8-4.4-62.45
=131.8-66.85
=131.8-66.8-0.05
=65-0.05=64.95
=100+31.8-4.4-62.45
=131.8-66.85
=131.8-66.8-0.05
=65-0.05=64.95
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2016-07-04
展开全部
用简便方法计算:95.6-(62.45-31.8)
=95.6+31.8-62.45
=100+31.8-0.4-62.45
=131.8-62.85
=131-62-0.05
=68.95
=95.6+31.8-62.45
=100+31.8-0.4-62.45
=131.8-62.85
=131-62-0.05
=68.95
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