( ) 2. 2 + 3 =
( ) 3. 10 -6 =
( ) 4. 7 -5 =
( ) 5. 6 -3 =
( ) 6. 8 -3 =
B. one
C. five
D. three
E. two
F. five
1. B 2. C / F 3. A 4. E 5. D 6. F / C
算一算.选一选. ( ) 1. 9 -8 = ( ) 2. 2 + 3 = ( ) 3. 10 -相关攻略