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

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

人气：482 ℃　时间：2020-04-09 19:49:52

解答

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