原式
=981×0.001+981×0.05+981×0.049
=981×（0.001+0.05+0.049）
=981×0.1
=98.1
98.1*0.01+5*9.81+0.049*981
1个回答
相关问题
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在横线里填入“＞”、“＜”、“=” 5.08×1.01______5.08 3.9÷0.98______3.9 3.2÷