有甲、乙两筐香蕉,如果从甲筐取出10千克放入乙筐,则两筐相等;如果从两筐中各取出10千克,这时甲筐余下

2025-01-03 08:32:09
推荐回答(1个)
回答1:

设乙筐有x千克,则甲筐有(x+20)千克,
(x+20-10)×

3
10
-(x-10)×
1
3
=5,
              
3
10
x+3-
1
3
x+
10
3
=5,
                
3
10
x-
1
3
x+
19
3
=5,
                    
1
3
x-
3
10
x=
19
3
-5,
                         
1
30
x=
4
3

                            x=40;
40+20=60(千克);
答:甲筐有香蕉60千克,乙筐有香蕉40千克.