September 2023 1 21 Report
Resuelve las siguientes operaciones. a) 2+ 4 + 5 = b) 3+ 6 - 8 = c) 10 + 12 + 18 = d) 34 + 18 - 20 = e) 100 - 50 + 20 = f) 90 + 10 - 50 = g) - 30 + 50 + 50 = h) 20 - 30 - 30 = i) - 30 + 10 + 5 =



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