In this paper we present algorithms for a Boolean encoding of four basic arithmetic operations on integer numbers: addition, subtraction, multiplication and division. Integer numbers are encoded in two's complement system as vectors of Boolean formulae, and arithmetic operations are faithfully encoded as operations on vectors of Boolean formulae.
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This paper presents the results of the research carried among the mathematics teachers. These research deals with the skills of undertaking creative mathematical activity by the teachers. It a deals with the awareness of the need of developing different kinds of this activity among students. The main tool which is used and studied in the research is the multistage task.
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