如题所述
0.45X202
=0.45*(200+2)
=0.45*200+0.45*2
=90+0.9
=90.9
=0.45*(200+2)
=0.45*200+0.45*2
=90+0.9
=90.9
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第1个回答 2015-09-23
原式
=0.45x(200+2)
=0.45x200+0.45x2
=90+0.9
=90.9本回答被提问者采纳
=0.45x(200+2)
=0.45x200+0.45x2
=90+0.9
=90.9本回答被提问者采纳
第2个回答 2019-09-28
0.45*202
=0.45*(200+2)
=0.45*200+0.42*2
=90+0.9
=90.9
=0.45*(200+2)
=0.45*200+0.42*2
=90+0.9
=90.9
第3个回答 2015-09-23
90.9