369乘0.99+3.69的简便计算急

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369乘0.99+3.69的简便计算急
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369乘0.99+3.69的简便计算急
369乘0.99+3.69的简便计算

369乘0.99+3.69的简便计算急
=369-369×0.01+369×0.01
=369

369×0.99+3.69=369(0.99+0.01)=369

369×0.99+3.69
=369×0.99+369×0.01
=369×(0.99+0.01)
=369

369*0.99+3.69
=3.69*99+3.69
=3.69*(99+1)
=3.69*100
=369