9.9乘5.6加0.56等于几

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9.9乘5.6加0.56等于几9.9乘5.6加0.56等于几9.9乘5.6加0.56等于几9.9*5.6+0.56=9.9*0.56*10+0.56=99*0.56+0.56=0.56*(99+1)=

9.9乘5.6加0.56等于几
9.9乘5.6加0.56等于几

9.9乘5.6加0.56等于几
9.9*5.6+0.56
=9.9*0.56*10+0.56
=99*0.56+0.56
=0.56*(99+1)
=0.56*100
=56

9.9X5.6+0.56=9.9x0.56x10+0.56=0.56x(9.9x10+1)=0.56x100=56

9.9*5.6+0.56=5.6*(9.9+0.1)=5.6*10=56

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