98.6×100.1怎么简便计算

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98.6×100.1怎么简便计算
98.6×100.1怎么简便计算

98.6×100.1怎么简便计算

=98.6X(100+0.1)
=9860+9.86
=9869.86

100*98.6+0.1*98.6

98.6x100.1
=98.6x100+98.6x0.1
=9860+9.86
=9869.86

98.6先乘100再加9.86,也就是98.6的十分一。