16.12×99+16.12怎样简便计算·
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16.12×99+16.12怎样简便计算·
16.12×99+16.12
=16.12×(99+1)
=16.12×100
=1620
16.12×99+16.12
=16.12*(99+1)
=16.12*100
=1612
16.12×99+16.12怎样简便计算·
16.12×99+16.12
=16.12×(99+1)
=16.12×100
=1620
16.12×99+16.12
=16.12*(99+1)
=16.12*100
=1612