如题所述
0.25x98
=0.25×(100-2)
=0.25×100-0.25×2
=25-0.5
=24.5
=0.25×(100-2)
=0.25×100-0.25×2
=25-0.5
=24.5
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第1个回答 推荐于2016-01-10
0.25x98
=0.25x(100-2)
=0.25x100-0.25x2
=25-0.5
=24.5本回答被提问者采纳
=0.25x(100-2)
=0.25x100-0.25x2
=25-0.5
=24.5本回答被提问者采纳
第2个回答 2014-10-02
0.25×(100-2)=0.25×100-0.25×2=25-0.5=24.5
第3个回答 2014-10-02
第4个回答 2014-10-02
0.25×100-0.25×2