April 2019 2 42 Report
Ayuden por fa.
se sabe que 18x55=990.
a)¿Es posible decidir,analizando el cálculo y sin hacer cuentas ,el resultado de dividir 990 por:
a)18;
b)55;
c)2;
d)9;
e)5;
f)11;
g)6;
h)10;
i)45;
j)22.
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