Phep cong trong pham vi 10

9 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 Bµi 1: TÝnh a) +9 +2 +7 10 10 10 +5 +1 10 10 10 + Bµi 1: TÝnh b) + 910 = 10 9+1 = + 10 = 10 8+2 = + 10 = 10 7+3 = + 10 = 10 6+4 = 9–1= 8-2= 7-3= 3-3 = Bµi 2: Sè ? 7 10 Bµi 3: ViÕt phÐp tÝnh thÝch hỵp + = 10 + = 10 ... 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 + = 10 Bµi 1: TÝnh a) +9 +2 +7 10 10 10 +5 +1 10 10 10 + Bµi 1: TÝnh b) + 910. .. 10 + Bµi 1: TÝnh b) + 910 = 10 9+1 = + 10 = 10 8+2 = + 10 = 10 7+3 = + 10 = 10 6+4 = 9–1= 8-2= 7-3= 3-3 = Bµi 2: Sè ? 7 10 Bµi 3: Vi t phÐp tÝnh thÝch hỵp + = 10 + = 10