( ) + 1 = 6 ( ) + 1 = 7 ( ) + 8 = 10
∧ ∧ ∧
2 - ( ) = 1 3 + ( ) = 4 3 + ( ) = 5
∧
3 + ( ) = 6 3 + ( ) = 7 3 + ( ) = 8
∧
( ) - 7 = 1 3 + ( ) = 9 ( ) - 7 = 3
∧ ∧∧∧最新课件 ∧∧∧
( ) - 7 = 2 8 - ( ) = 2 8 - ( ) = 1
∧ ∧ ∧
8 - ( ) = 6 3 + ( ) = 10 8 - ( ) = 5
∧
( ) + 6 = 8 8 - ( ) = 4 2 + ( ) = 10
∧
( ) + 6 = 7 8 - ( ) = 3 1 + ( ) = 10
∧ ∧∧∧最新课件∧
∧
∧
( ) + 6 = 9 9 - ( ) = 8 9 - 6 = ( )
∧ ∧ ∧
9 - ( ) = 5 9 - ( ) = 4 9 - ( ) = 7
∧
8 - 6 = ( ) 9 - ( ) = 6 9 - ( ) = 1
∧
9 - 4 = ( ) 9 - 8 = ( ) 9 - ( ) = 3
∧ ∧ ∧ ∧ 最新课件 ∧
∧
∧
9 - ( ) = 2 8 - ( ) = 7 ( ) - 3 = 5
∧ ∧ ∧
( ) - 3 = 4 3 - ( ) = 2 ( ) - 3 = 2
∧
4 + ( ) = 7 5 - 4 = ( ) 4 + ( ) = 8
∧
4 + ( ) = 5 10 - 4 = ( ) ( ) - 3 = 7
∧ ∧ ∧ ∧ 最新课件 ∧
∧
∧
10 - 8 = ( ) 4 + ( ) = 6 ( ) - 3 = 6
∧ ∧ ∧
7 - 4 = ( ) 6 - 4 = ( ) 8 - 4 = ( )
∧
4 + ( ) = 9 ( ) + 6 = 10 3 - ( ) = 1
∧
( ) - 3 = 1 ( ) + 2 = 5 ( ) + 2 = 6
∧ 最新课件 ∧
∧
∧
∧∧∧