ĐỀ THI VIOLYMPIC TOÁN VÒNG 10 - LỚP 1 (26-12-2013) 5-5+1 = 8-3-4 ; 8+1=9 ; 2+7-7 = 8-3-3 ; 5+4-1 = 6+3-1 ; 6+1 = 9-3+1 ; 6-1-2 = 8-3- 3 ; 1+2+3 = 5+4-3 ; 9+1 = 5+5 ; 6-2 = 1+3 ; 9-4 = 3+2 . 16-5-1 < 9-8 < 10-4-4 < 1+2 < 6+4-5 < 3+4-1 < 6+1 < 2+7-1 < 6+3 < 5+3+2. 4 = = 5 >...
Đọc tiếp
- ĐỀ THI VIOLYMPIC TOÁN VÒNG 10 - LỚP 1 (26-12-2013) 5-5+1 = 8-3-4 ; 8+1=9 ; 2+7-7 = 8-3-3 ; 5+4-1 = 6+3-1 ; 6+1 = 9-3+1 ; 6-1-2 = 8-3- 3 ; 1+2+3 = 5+4-3 ; 9+1 = 5+5 ; 6-2 = 1+3 ; 9-4 = 3+2 . 1
- 6-5-1 < 9-8 < 10-4-4 < 1+2 < 6+4-5 < 3+4-1 < 6+1 < 2+7-1 < 6+3 < 5+3+2. 4 = = 5 > 2
