Question

简便方法计算，大哥啊！帮帮忙、小伙伴们、多谢啦！！！

Answer 1

 

追问

能拍的再清楚点么

追答

 

Answer 2

3.4x(0.6+3.4)x2.5
=3.4x4x2.5
=3.4x10
=34

Answer 3

=3.4✘(0.6+3.4)✘2.5
=3.4✘10
=34

Answer 4

先把括号里的算出来再乘2.5

Answer 5

 

Answer 6