The First Steps in Algebra

Εξώφυλλο
Ginn & Company, 1894 - 184 σελίδες
 

Άλλες εκδόσεις - Προβολή όλων

Συχνά εμφανιζόμενοι όροι και φράσεις

Δημοφιλή αποσπάσματα

Σελίδα 147 - ... connected by the brace, and annexing two ciphers to the result. The last two figures of the root are found by division. The rule in such cases is, that two less than the number of figures already obtained may be found without error by division, the divisor to be employed being three times the square of the part of the root already found.
Σελίδα 79 - If there is a remainder, this remainder must be written as ,the numerator of a fraction of which the divisor is the denominator, and this fraction with its proper sign must be annexed to the integral part of the quotient.
Σελίδα 101 - The area of a rectangle is equal to the product of the length by the breadth.
Σελίδα 108 - Multiply the equations by such numbers as will make the coefficients of one of the unknown numbers equal in the resulting equations.
Σελίδα 55 - RULE 3. The product of the sum and difference of two numbers is the difference of their squares.
Σελίδα 100 - Find the time between 2 and 3 o'clock when the hands of a clock are at right angles to each other.
Σελίδα 60 - The difference of the cubes of two numbers is divisible by the difference of the numbers, and the quotient is the sum of the squares of the numbers plus their product.
Σελίδα 98 - A person walks to the top of a mountain at the rate of 2^ miles an hour, and down the same way at the rate of 3£ miles an hour, and is out 5 hours.
Σελίδα 22 - Any term may be transposed from one side of an equation to the other provided its sign be changed.
Σελίδα 113 - The sum of the two digits of a number is 10, and if 18 is added to the number, the digits will be reversed. Find the number.

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