1.2( )1.3( )1.4=2.184

问题描述:

1.2( )1.3( )1.4=2.184
1.2( )1.3( )1.4=2.96
1.2( )1.3( )1.4=3.02

1.2*1.3*1.4=2.184
1.2*1.3+1.4=2.96
1.2+1.3*1.4=3.02