问题标题:
0.67+0.3-0.67+0.3怎样简算.
问题描述:
0.67+0.3-0.67+0.3怎样简算.
崔冬回答:
0.67+0.3-0.67+0.3
=0.67-0.67+0.3+0.3
=0.3+0.3
=0.6
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0.67+0.3-0.67+0.3怎样简算.