10.1*99+10.的简便运算
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10.1*99+10.的简便运算
10.1*99+10.1
=10.1*(99+1)
=10.1*100
=1010
(10+0.1)*99+10*1
=10*99+99*0.1+10*1
=(99+1)*10+99*0.1
=1000+0.99
=1000.99
10.1*99+10.的简便运算
10.1*99+10.1
=10.1*(99+1)
=10.1*100
=1010
(10+0.1)*99+10*1
=10*99+99*0.1+10*1
=(99+1)*10+99*0.1
=1000+0.99
=1000.99