A Complete Arithmetic: Oral and Written, Τόμος 2

Εξώφυλλο
Taintor Bros., Merrill & Company, 1878
 

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Δημοφιλή αποσπάσματα

Σελίδα 30 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 26 - The least common multiple of two or more numbers is the least number that is exactly divisible by each of them.
Σελίδα 18 - A number is divisible by 3 if the sum of its digits is divisible by 3• A number is divisible by 9 if the sum of its digits is divisible by 9.
Σελίδα 80 - To divide by 10, 100, 1000, etc., it is necessary only to move the decimal point in the dividend as many places to the left as there are ciphers in the divisor.
Σελίδα 241 - How many bricks, 8 inches long, 4 inches wide, and 2 inches thick, will it take to build a wall 40 feet long, 20 feet high, and 2 feet thick ? Ans.
Σελίδα 217 - From half the sum of the three sides subtract each side separately. Multiply the half sum and the three remainders together, and extract the square root of the product.
Σελίδα 9 - The sign of multiplication is X , and is read times or multiplied by.
Σελίδα 72 - PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the centre.
Σελίδα 28 - ... divisor by the last remainder till nothing remains. The last divisor is the number by which, if the numerator and denominator of the fraction be divided, the lowest term will be obtained.
Σελίδα 79 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.

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