加减乘法口诀
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加法口诀
1 +1 = 2 1 +2 = 3 1 +3 = 4 1 +4 = 5 1 +5 = 6 1 +6 = 7 1 +7 = 8 1 +8 = 9 1 +9 = 10
2 +1 = 3 2 +2 = 4 2 +3 = 5 2 +4 = 6 2 +5 = 7 2 +6 = 8 2 +7 = 9 2 +8 = 10 2 +9 = 11
乘法口诀
7 -7 = 0 8 -7 = 1 9 -7 = 2 10 -7 = 3
8 -8 = 0 9 -8 = 1 10 -8 = 2
9 -9 = 0 10 -9 = 1
10 -10 = 0
1 ×1 = 1 2 ×1 = 2 2 ×2 = 4 3 ×1 = 3 3 ×2 = 6 3 ×3 = 9 4 ×1 = 4 4 ×2 = 8 4 ×3 = 12 4 ×4 = 16 5 ×1 = 5 5 ×2 = 10 5 ×3 = 15 5 ×4 = 20 5 ×5 = 25 6 ×1 = 6 6 ×2 = 12 6 ×3 = 18 6 ×4 = 24 6 ×5 = 30 6 ×6 = 36 7 ×1 = 7 7 ×2 = 14 7 ×3 = 21 7 ×4 = 28 7 ×5 = 35 7 ×6 = 42 7 ×7 = 49 8 ×1 = 8 8 ×2 = 16 8 ×3 = 24 8 ×4 = 32 8 ×5 = 40 8 ×6 = 48 8 ×7 = 56 8 ×8 = 64 9 ×1 = 9 9 ×2 = 18 9 ×3 = 27 9 ×4 = 36 9 ×5 = 45 9 ×6 = 54 9 ×7 = 63 9 ×8 = 72 9 ×9 10 ×1 = 10 10 ×2 = 20 10 ×3 = 30 10 ×4 = 40 10 ×5 = 50 10 ×6 = 60 10 ×7 = 70 10 ×8 = 80 10 ×9
减法口诀
7 +1 = 8 7 +2 = 9 7 +3 = 10 7 +4 = 11 7 +5 = 12 7 +6 = 13 7 +7 = 14 7 +8 = 15 7 +9 = 16
来自百度文库
8 +1 = 9 8 +2 = 10 8 +3 = 11 8 +4 = 12 8 +5 = 13 8 +6 = 14 8 +7 = 15 8 +8 = 16 8 +9 = 17
2 -2 = 0 3 -2 = 1 4 -2 = 2 5 -2 = 3 6 -2 = 4 7 -2 = 5 8 -2 = 6 9 -2 = 7 10 -2 = 8
3 -3 = 0 4 -3 = 1 5 -3 = 2 6 -3 = 3 7 -3 = 4 8 -3 = 5 9 -3 = 6 10 -3 = 7
5 +1 = 6 5 +2 = 7 5 +3 = 8 5 +4 = 9 5 +5 = 10 5 +6 = 11 5 +7 = 12 5 +8 = 13 5 +9 = 14
6 +1 = 7 6 +2 = 8 6 +3 = 9 6 +4 = 10 6 +5 = 11 6 +6 = 12 6 +7 = 13 6 +8 = 14 6 +9 = 15
= 81 = 90 10 ×10 = 100
3 +1 = 4 3 +2 = 5 3 +3 = 6 3 +4 = 7 3 +5 = 8 3 +6 = 9 3 +7 = 10 3 +8 = 11 3 +9 = 12
4 +1 = 5 4 +2 = 6 4 +3 = 7 4 +4 = 8 4 +5 = 9 4 +6 = 10 4 +7 = 11 4 +8 = 12 4 +9 = 13
9 +1 = 10 9 +2 = 11 9 +3 = 12 9 +4 = 13 9 +5 = 14 9 +6 = 15 9 +7 = 16 9 +8 = 17 9 +9 = 18
1 -1 = 0 2 -1 = 1 3 -1 = 2 4 -1 = 3 5 -1 = 4 6 -1 = 5 7 -1 = 6 8 -1 = 7 9 -1 = 8 10 -1 = 9
4 -4 = 0 5 -4 = 1 6 -4 = 2 7 -4 = 3 8 -4 = 4 9 -4 = 5 10 -4 = 6
5 -5 = 0 6 -5 = 1 7 -5 = 2 8 -5 = 3 9 -5 = 4 10 -5 = 5
6 -6 = 0 7 -6 = 1 8 -6 = 2 9 -6 = 3 10 -6 = 4
1 +1 = 2 1 +2 = 3 1 +3 = 4 1 +4 = 5 1 +5 = 6 1 +6 = 7 1 +7 = 8 1 +8 = 9 1 +9 = 10
2 +1 = 3 2 +2 = 4 2 +3 = 5 2 +4 = 6 2 +5 = 7 2 +6 = 8 2 +7 = 9 2 +8 = 10 2 +9 = 11
乘法口诀
7 -7 = 0 8 -7 = 1 9 -7 = 2 10 -7 = 3
8 -8 = 0 9 -8 = 1 10 -8 = 2
9 -9 = 0 10 -9 = 1
10 -10 = 0
1 ×1 = 1 2 ×1 = 2 2 ×2 = 4 3 ×1 = 3 3 ×2 = 6 3 ×3 = 9 4 ×1 = 4 4 ×2 = 8 4 ×3 = 12 4 ×4 = 16 5 ×1 = 5 5 ×2 = 10 5 ×3 = 15 5 ×4 = 20 5 ×5 = 25 6 ×1 = 6 6 ×2 = 12 6 ×3 = 18 6 ×4 = 24 6 ×5 = 30 6 ×6 = 36 7 ×1 = 7 7 ×2 = 14 7 ×3 = 21 7 ×4 = 28 7 ×5 = 35 7 ×6 = 42 7 ×7 = 49 8 ×1 = 8 8 ×2 = 16 8 ×3 = 24 8 ×4 = 32 8 ×5 = 40 8 ×6 = 48 8 ×7 = 56 8 ×8 = 64 9 ×1 = 9 9 ×2 = 18 9 ×3 = 27 9 ×4 = 36 9 ×5 = 45 9 ×6 = 54 9 ×7 = 63 9 ×8 = 72 9 ×9 10 ×1 = 10 10 ×2 = 20 10 ×3 = 30 10 ×4 = 40 10 ×5 = 50 10 ×6 = 60 10 ×7 = 70 10 ×8 = 80 10 ×9
减法口诀
7 +1 = 8 7 +2 = 9 7 +3 = 10 7 +4 = 11 7 +5 = 12 7 +6 = 13 7 +7 = 14 7 +8 = 15 7 +9 = 16
来自百度文库
8 +1 = 9 8 +2 = 10 8 +3 = 11 8 +4 = 12 8 +5 = 13 8 +6 = 14 8 +7 = 15 8 +8 = 16 8 +9 = 17
2 -2 = 0 3 -2 = 1 4 -2 = 2 5 -2 = 3 6 -2 = 4 7 -2 = 5 8 -2 = 6 9 -2 = 7 10 -2 = 8
3 -3 = 0 4 -3 = 1 5 -3 = 2 6 -3 = 3 7 -3 = 4 8 -3 = 5 9 -3 = 6 10 -3 = 7
5 +1 = 6 5 +2 = 7 5 +3 = 8 5 +4 = 9 5 +5 = 10 5 +6 = 11 5 +7 = 12 5 +8 = 13 5 +9 = 14
6 +1 = 7 6 +2 = 8 6 +3 = 9 6 +4 = 10 6 +5 = 11 6 +6 = 12 6 +7 = 13 6 +8 = 14 6 +9 = 15
= 81 = 90 10 ×10 = 100
3 +1 = 4 3 +2 = 5 3 +3 = 6 3 +4 = 7 3 +5 = 8 3 +6 = 9 3 +7 = 10 3 +8 = 11 3 +9 = 12
4 +1 = 5 4 +2 = 6 4 +3 = 7 4 +4 = 8 4 +5 = 9 4 +6 = 10 4 +7 = 11 4 +8 = 12 4 +9 = 13
9 +1 = 10 9 +2 = 11 9 +3 = 12 9 +4 = 13 9 +5 = 14 9 +6 = 15 9 +7 = 16 9 +8 = 17 9 +9 = 18
1 -1 = 0 2 -1 = 1 3 -1 = 2 4 -1 = 3 5 -1 = 4 6 -1 = 5 7 -1 = 6 8 -1 = 7 9 -1 = 8 10 -1 = 9
4 -4 = 0 5 -4 = 1 6 -4 = 2 7 -4 = 3 8 -4 = 4 9 -4 = 5 10 -4 = 6
5 -5 = 0 6 -5 = 1 7 -5 = 2 8 -5 = 3 9 -5 = 4 10 -5 = 5
6 -6 = 0 7 -6 = 1 8 -6 = 2 9 -6 = 3 10 -6 = 4