Transcription of 加法,減法(2) - happylilac.net
1 (2) 1 (11) (+3) ( 8)(13) ( 4) (+7)(12) (+14) ( 6)(14) ( 11) (+9) (1) (+2) (+4)(3) ( 8) ( 7)(5) (+4) ( 4)(7) (+12) 0 (9) (+9) ( 13) (2) (+13) (+7)(4) ( 6) ( 16)(6) ( 3) (+5)(8) ( 2) (+6)(10) 0 ( 17) ( (+3) ( 7)=(+3)+(+7)= +10)
