0.94x2.05-0.45简便计算

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0.94x2.05-0.45简便计算
0.94x2.05-0.45简便计算

0.94x2.05-0.45简便计算
0.94x2.05-0.45
=(1-0.06)×2.05-0.45
=2.05-0.123-0.45
=2.05-0.45-0.123
=1.6-0.123
=1.477