1.20米比( )米少20%.列式:( );2.( )米比20米少20%.列式:( );3.35千克比( )千克多40%.列式:( );4.( )千克比35千克多40%.列式:( ).

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 13:57:05
1.20米比( )米少20%.列式:( );2.( )米比20米少20%.列式:( );3.35千克比( )千克多40%.列式:( );4.( )千克比35千克多40%.列式:( ).

1.20米比( )米少20%.列式:( );2.( )米比20米少20%.列式:( );3.35千克比( )千克多40%.列式:( );4.( )千克比35千克多40%.列式:( ).
1.20米比( )米少20%.列式:( );
2.( )米比20米少20%.列式:( );
3.35千克比( )千克多40%.列式:( );
4.( )千克比35千克多40%.列式:( ).

1.20米比( )米少20%.列式:( );2.( )米比20米少20%.列式:( );3.35千克比( )千克多40%.列式:( );4.( )千克比35千克多40%.列式:( ).
1.20 / (1-20%) = 25
2.20 x (1-20%) = 16
3.35 / (1+40%) = 25
4.35 x (1+40%) = 49

25,20/(1-0.2)
16,20(1-0.2)
25,35(1+0.4)
49,35(1+0.4)

1.20米比( 25 )米少20%.列式:20÷(1-20%)=25;
2.( 16 )米比20米少20%.列式:20*(1-20%)=16;
3.35千克比( 25 )千克多40%.列式:35÷(1+40%)=25;
4.( 49 )千克比35千克多40%.列式:35*(1+40%)=49.

20 / (1-20%) = 25
2. 20
20 / (1-20%) = 25
20*(1-20%) = 16
35 / (1+40%) = 25
35 * (1+40%) = 49