Second Course in the New MathematicsAllyn and Bacon, 1958 - 400 σελίδες |
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Σελίδα 10
... obtained 7500 , would that be a sensible result ? would 750 ? Example 2. Now suppose that he were to multiply 24 by 52 and that he obtained 2248 . Ask yourself if this seems anywhere near right . Just try multiplying 25 by 50 and you obtain ...
... obtained 7500 , would that be a sensible result ? would 750 ? Example 2. Now suppose that he were to multiply 24 by 52 and that he obtained 2248 . Ask yourself if this seems anywhere near right . Just try multiplying 25 by 50 and you obtain ...
Σελίδα 35
... obtain the following axioms . 1. If equals are added to equals , the sums are equal . ( Addi- tion axiom . ) 2. If ... obtained what you believe AXIOMS 35.
... obtain the following axioms . 1. If equals are added to equals , the sums are equal . ( Addi- tion axiom . ) 2. If ... obtained what you believe AXIOMS 35.
Σελίδα 46
... obtain 3 n just as we would add 1 bu . and 4 bu . and obtain 5 bu . or as we would add 1 qt . and 6 qt . to obtain 7 qt . = Thus 3 n + 5 n = 8 n ; 2x + 3 x = 5 x ; 3 a + 5a + 7 a 15 a , etc. We merely add the numbers which tell how many ...
... obtain 3 n just as we would add 1 bu . and 4 bu . and obtain 5 bu . or as we would add 1 qt . and 6 qt . to obtain 7 qt . = Thus 3 n + 5 n = 8 n ; 2x + 3 x = 5 x ; 3 a + 5a + 7 a 15 a , etc. We merely add the numbers which tell how many ...
Περιεχόμενα
SAVING TIME BY THE NEW MATHEMATICS | |
APPLYING THE NEW MATHEMATICS TO | 185 |
185 | 261 |
Πνευματικά δικαιώματα | |
Άλλες εκδόσεις - Προβολή όλων
A Second Course in the New Mathematics Edward Ira Edgerton,Perry Amherst Carpenter Πλήρης προβολή - 1928 |
Συχνά εμφανιζόμενοι όροι και φράσεις
50 cents acre altitude amount angle annual automobile average board foot bonds bought bushel cash cents compound interest cubic feet cubic foot decimal point deposit diameter discount Divide dividend dollars draw earn endowment policy equal equation Example feet long figure Find the cost Find the number Find the total Find the value formula Fractions gallons gasoline graph hypotenuse inches income invest kilograms length loan mathematics measure meter miles minutes money order month mortgage Multiply paid par value pounds premium problems pupils quarts ratio receive right triangle rods Ross Robinson savings bank score selling price shares Short-Cut side Signed Numbers similar triangles Skill Test Unit sold Solution Solve square root Subtract telegraphic money Third Trial total cost Trial of Unit week weight width worth yards