Question

2.25乘五分之三+1.75\一又三分之二+60%

7\15除以4\13+13\5*4\15+4\15=
2004\2004*2005=
2008*2006\2007=
118\121*13=
1*2分之1+2*3分之1+3*4分之1+……+98*99分之1+99*100分之1=
3333*3333+9999*8889=
2*1\5+4*2\11+4*2\5+3*4\11=

Answer 1

=2.25×0.6+1.75×0.6+0.6
=(2.25+1.75+1)×0.6
=5×0.6
=3

追问

下面几道题呢？ 好的加分！！！！

追答

2.25×0.6+1.75×0.6+0.6
=(2.25+1.75+1)×0.6
=5×0.6
=3

Answer 2

=2.25×0.6+1.75×0.6+0.6
=(2.25+1.75+1)×0.6
=5×0.6
=3

Answer 3

=2.25×0.6+1.75×0.6+0.6
=(2.25+1.75+1)×0.6
=5×0.6
=3