4.5*7.3+2.7*4.5简便运算

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4.5*7.3+2.7*4.5简便运算4.5*7.3+2.7*4.5简便运算4.5*7.3+2.7*4.5简便运算4.5*7.3+2.7*4.5=4.5*(7.3+2.7)=4.5*10=454.5*

4.5*7.3+2.7*4.5简便运算
4.5*7.3+2.7*4.5简便运算

4.5*7.3+2.7*4.5简便运算
4.5*7.3+2.7*4.5
=4.5*(7.3+2.7)
=4.5*10
=45

4.5*7.3+2.7*4.5
=32.85+12.15
=45

4.5*(7.3+2.7)=4.5*10=45