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T9<br />

Suma y resta con dos dígitos<br />

G<br />

Me preparo para un nuevo reto.<br />

Calculo.<br />

a) 8 decenas y 3 unidades forman 56<br />

b) 5 decenas y 6 unidades forman 56<br />

c) 15 decenas y 15 unidades forman 48<br />

d) 15 decenas y 15 unidades forman 32<br />

Sumo.<br />

a) 5-2= 3 b) 6-3= 3<br />

c) 7-4= 3 c) 8-2= 6<br />

112

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