2000 + 500 + 150 =, 3000 + 500 + 120 =, 4500 - 600 =, 3600 - 700 =, 2300 + 250 =, 4300 + 550 =, 3000 + 700 + 300 =, 6000 + 200 + 500 =, 4000 - 1000 = , 8000 - 2000 =  , 4250 - 1000 =, 5750 - 1000 =, 5800 - 2000 =, 6800 - 3000 =, 9 X 4 =, 5 X 8 =, 6 X 3 =, 6 X 5 =, 10 X 7 =, 10 X 9 =, 11 X 10 =, 22 X 10 =, 9500 - 2500=, 7500 - 2500=, 4800 + 250 =, 5600 + 250 =, 6000 + 2450 =, 3000 + 2550 =, 15 X 10=, 18 X 10=,

Concurso cálculos mentales 3° grado (Final)

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