分数(填上合适的数1.5 40 ( )- = - = -8 ( ) 402.16 8 ( )- = - = -20 ( ) 5

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分数(填上合适的数1.5 40 ( )- = - = -8 ( ) 402.16 8 ( )- = - = -20 ( ) 5

分数(填上合适的数1.5 40 ( )- = - = -8 ( ) 402.16 8 ( )- = - = -20 ( ) 5
分数(填上合适的数
1.5 40 ( )
- = - = -
8 ( ) 40
2.16 8 ( )
- = - = -
20 ( ) 5

分数(填上合适的数1.5 40 ( )- = - = -8 ( ) 402.16 8 ( )- = - = -20 ( ) 5
5 40 (25)
- = - = -
8 (64) 40
2. 16 8 (4)
- = - = -
20 (10) 5