简便运算 34.8*88.8/4.44 12.5*(6+2.4)+2.5*0.4有2道

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简便运算 34.8*88.8/4.44 12.5*(6+2.4)+2.5*0.4
有2道

34.8*88.8/4.44
=34.8*(88.8/4.44)
=34.8*20
=696
12.5*(6+2.4)+2.5*0.4
=2.5*5*(6+2.4)+2.5*0.4
=2.5*(30+12)+2.5*0.4
=2.5*(42+0.4)
=2.5*4*(10.6)
=10*10.6
=106