PROPIEDADES DE LA SUMA Y PRUBA DE LA RESTA. verdadero o falso + un ejemplo
A\ la diferencia es igual que el minuendo?
B\ la diferencia es igual que el sustraendo?
C\ la diferencia es la mitad que el minuendo?
D\ la diferencia mas el sustraendo da el minuendo?
puntuo bien las respuestas.

Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal )

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.