23.4.2 Otras operaciones matemáticas


Ejemplos    
  5 + 3 = 8 five plus three is (are) eight
  12 - 2 = 10 twelve minus two is (are) ten
  4 x 6 = 24 four times six is (are) twenty-four (four by six)
  10 / 2 = 5 ten divided by two is (are) five






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