Основные математические понятия в английском языке. Прокошева И.И. - 32 стр.

        3. Arrange the numbers 1,2,3, 4, 5, 6, 7, 8and 9 so that they will make exactly
           100.

                                 STRANGE FIGURES.

     The father asked his three sons to write four numbers using five odd figures so
     that they would equal fourteen.
     Can you do it?

                                       AT THE ZOO.

     One day a man went to the Zoo with a bag of nuts. He stopped near three cages of
     monkeys and decided to give them all the nuts in the bag.
     “If I divide the nuts equally among the eleven monkeys in the first cage,” he
     thought, “one nut will remain. If I divide equally among the thirteen monkeys in
     the second cage, eight nuts will remain. If I divide them among the seventeen
     monkeys in the third cage , three nuts will remain. And if I divide the nuts equally
     among the forty-one monkeys in all three cages or among the monkeys in any two
     cages, some nuts will remain too. How can I I divide them so that none will
     remain?”
     Could you help the man to divide his nuts among the monkeys?


                                  MEASURE THEWATER.
     A girl was sent to the well with two jugs. One of them contained 7 litres and the
     other 11 litres. She had to bring back exactly 2 litres of water.
     How could she do it? What is the smallest number of times she had to fill and
     empty her jugs?




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