9.9*20.3+2.03简算

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9.9*20.3+2.03简算

9.9*20.3+2.03简算
9.9*20.3+2.03简算

9.9*20.3+2.03简算
9.9*20.3+2.03
=99*2.03+2.03
=2.03*(99+1)
=2.03*100
=203

9.9*20.3+2.03
=99*2.03+2.03*1
=2.03*(99+1)
=2.03*100
=203