1) 9-4 a) 5 b) 4 c) 13 2) 10+4 a) 13 b) 14 c) 6 3) 3+3 a) 6 b) 5 c) 0 4) que numero es mayor a 45 a) 36 b) 49 c) 44 5) que numero es mayor que 15 y menor que 18 a) 19 b) 16 c) 20 6) cual es la digito de la decena de 24 a) 40 b) 20 c) 2 7) cuantas unidades hay en 5 decenas a) 40 unidades b) 50 unidades 8) cual es el valor posicional de numero en parentesis (7)6 a) 70 b) 7 c) 60 9) ordena de mayor a menor: 37, 59, 29, 17, 04,78 a) 04, 17, 29, 59, 37, 78 b) 78, 59, 37, 29, 17, 04 c) 04, 17, 29,37, 59, 78 10) ordena en forma descendente , el conteo de 10 en 10: 35, 65, 25, 75, 55, 45 a) 65, 75, 35, 25, 55, 45 b) 75, 65, 55, 45, 35, 25 c) 25, 35, 45, 55, 65, 75
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matemáticas 2° básico
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2° básico
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