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### Περιεχόμενα

 PREFACE CHAPTER 1 Subtraction 3 Multiplication 5 Division 7 CHAPTER II 12 Reducing to lower terms 13 Multiplication of fractions 15 Division of fractions 17
 Table of weights 100 Board and timber measure 104 CHAPTER XI 108 The sign of subtraction 110 The sign of division 111 The signs of combination 112 Factors 113 Positive and negative numbers 114

### Δημοφιλή αποσπάσματα

Σελίδα 165 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 83 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Σελίδα 190 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg...
Σελίδα 34 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Σελίδα 112 - If a number be multiplied by itself any number of times, the result is called a power of that number. An Exponent is a number written at the right of, and above another number, to indicate what power of the latter is to be taken. Thus, a2, read " a square," or " a second power," denotes axa; a3, read " a cube," or " a third power," denotes axaxa ; a4, read " a fourth," or " a fourth power,
Σελίδα 48 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 122 - The area of a rectangle is equal to the product of its base and altitude ; that is, A = ab. 443. Corollary 1. The area of a square is equal to the square of its side. 444. Corollary 2. Tiro rectangles are to each other as the products of their bases and altitudes.
Σελίδα 18 - TABLE. 1728 cubic inches (cu. in.) make 1 cubic foot, ...... cu. ft. 27 cubic feet
Σελίδα 19 - CIRCULAR MEASURE 60 seconds — 1 minute 60 minutes = 1 degree 90 degrees - 1 quadrant 4 quadrants = 1 circle...
Σελίδα 18 - Ib. 25 pounds 3 make 1 quarter qr. 4 quarters make 1 hundred weight. cwt. 20 hundred weight make 1 ton T. APOTHECARIES WEIGHT, 7.