To¸n - 1= 6- = - 2= 6 - 4= 6 - 3= 3 6-1= 6 6 6 6 -5= -2= -4= -3= Toán Phép trừ phạm vi 6-1= 6-5= 6-2= 6-4= 6-3= 6-1= 6-5= 6-2= 6-4= 6-3= – =5 – =1 – =4 – =2 – =3 – =3 - TÝn h: 6 - - - - 6 - 5 TÝn h: 5+1= +3= 6-5= - 3= + 62 = 36 6-2= 6-1= –6= 6-4= TÝn h: – – =0 – –31 = 6–2–4= 6–1–2= ViÕt phÐp tÝnh thÝch hỵp: – = – =