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67.3 ten (7.3 + 19.5) calculation
67.3+19.5+7.3
10+24*6/5+6*8-19+38*2+46/12=?
10+28.8+48-19+76+23/6=143.8+23/6=719/5+23/6=(4314+115)/30=4429/30
1 + 2 10 3 + 4 10 5 10 6 10 7 10 8 10 9 10 10 10 11 10 12 10 13 14 10 15 + 16 + 17 10 18 10 19 10 20 10 What's ten to 100
5050
7 8 11 7 15 (6) 19 5 help find the law
7 11 15 19 arithmetic sequence with tolerance 4 (odd term)
8 7 6 5 arithmetic sequence with tolerance of - 1 (even term)
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