20以内连加连减练习

2 + 7 - 6 = 7 + 10 - 4 = 2 + 2 - 1 = 13 + 4 - 6 = 11 - 10 - 0 = 7 + 3 + 2 = 9 + 11 - 2 = 14 - 10 + 9 = 0 + 13 - 8 = 0 + 8 - 3 = 13 - 9 + 2 = 3 + 4 + 3 = 17 + 1 - 2 = 11 + 4 - 8 = 15 - 4 + 2 = 2 + 6 - 1 = 15 + 4 - 2 = 16 - 10 + 6 = 16 - 6 - 7 = 15 - 7 + 2 = 19 - 10 - 0 = 11 + 3 - 9 = 3 + 8 - 1 = 11 + 3 + 3 = 11 + 8 - 3 = 7 + 6 + 1 = 9 - 3 + 6 = 7 + 10 - 8 = 2 - 1 + 7 = 2 + 13 - 9 = 4 + 0 - 1 = 17 - 8 + 6 = 9 - 6 + 2 = 13 + 1 - 5 = 13 + 4 - 8 = 12 - 7 + 2 = 17 - 7 - 5 = 12 - 3 - 2 = 16 - 2 - 5 = 18 - 14 + 8 = 2 + 12 + 2 = 12 - 6 - 5 = 12 - 3 + 7 = 11 + 2 + 4 = 11 + 2 + 4 = 13 + 7 - 9 = 6 - 2 + 0 = 18 - 13 + 5 = 7 - 3 + 1 = 19 - 1 + 1 = 10 + 5 - 7 = 1 + 2 + 6 = 6 + 2 - 5 = 13 - 5 - 5 = 0 + 11 + 2 = 2 + 4 + 9 = 1 + 7 + 4 = 4 + 13 - 2 = 0 + 5 + 5 = 16 - 7 + 7 = 11 - 1 - 8 = 1 + 4 - 3 = 18 - 9 - 7 = 3 + 14 - 7 = 8 + 10 - 9 = 12 - 2 - 5 = 3 + 6 - 2 = 8 + 3 + 9 = 16 - 6 + 2 = 1 + 11 + 6 = 8 + 2 - 6 = 7 + 4 - 6 = 14 - 6 + 8 = 6 - 4 + 8 = 5 + 2 + 0 = 11 + 1 - 4 = 7 + 11 + 0 = 11 - 1 - 6 = 18 - 12 - 2 = 3 + 12 - 6 = 1 + 10 + 8 = 15 - 4 + 1 = 8 + 9 - 9 = 18 - 5 + 0 = 10 - 8 + 9 = 8 + 11 - 3 = 15 - 4 - 6 = 3 + 11 + 2 = 19 - 1 + 2 = 9 + 9 - 9 = 11 + 4 + 2 = 3 + 6 + 3 = 9 - 8 + 2 = 3 - 0 + 1 = 14 - 8 + 3 = 11 - 0 - 4 = 1 + 15 - 3 = 2 + 6 + 2 = 7 + 12 - 6 = 8 - 5 + 9 = 1 + 12 - 8 = 6 + 2 + 4 = 5 + 5 + 5 = 8 + 2 - 4 = 17 - 11 + 5 = 15 - 9 + 8 = 5 - 2 - 2 = 15 - 7 + 5 = 4 + 10 - 8 = 4 + 5 + 0 = 14 - 4 - 6 = 10 - 8 - 1 = 17 - 9 - 0 = 9 + 7 - 3 = 10 + 2 - 4 = 18 - 2 - 6 = 7 + 10 - 2 = 4 + 9 - 2 = 11 + 8 - 5 = 10 + 6 - 9 = 12 - 9 - 2 = 6 + 3 + 1 = 16 + 0 - 1 = 12 - 8 - 3 = 9 - 1 - 6 = 12 + 5 - 4 = 8 + 4 + 6 = 15 + 5 - 2 = 7 + 6 - 8 = 2 + 8 + 1 = 11 + 5 - 8 = 5 + 2 + 6 =

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