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Βιβλία Βιβλία 141 - 150 από 174 για The square of a number composed of tens and units is equal to the square of the tens,....
" The square of a number composed of tens and units is equal to the square of the tens, plus twice the product of the tens by the units, plus the square of the units. tens? "
A Complete Arithmetic: Uniting Mental and Written Exercises in a Natural ... - Σελίδα 253
των Emerson Elbridge White - 1870 - 340 σελίδες
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First Year Algebra

William James Milne - 1911 - 320 σελίδες
...Writing 6 tens in the root, squaring, and subtracting from 3844, we have a remainder of 244. Since the square of a number composed of tens and units is equal to (the square of the tens) + (twice the product of the tens and the units') + (the square of the units), when the square of the...

Kimball's commercial arithmetic: prepared for use in normal, commercial and ...

Gustavus Sylvester Kimball - 1911 - 418 σελίδες
...a remainder; to this annex the next period 76, and the dividend is 176. This remainder is equal to twice the product of the tens by the units, plus the square of the units (350). Hence, 2 times 20 = 40, which forms the trial divisor, and which is contained in the dividend...

First Year Algebra

William James Milne - 1911 - 320 σελίδες
...Writing 6 tens in the root, squaring, and subtracting from 3844, we have a remainder of 244. Since the square of a number composed of tens and units is equal to (the square oj the tens) + (twice the product of the tens and the units) + (the square of the units), when the...

Business Arithmetic for Secondary Schools

Ernest Lawton Thurston - 1913 - 431 σελίδες
...6 86 80 + 6 86 (80 X 6) + & 516 SOf + (80 X 6) 6880 802 + 2(80 X 6) + 62 = 7396 It is evident that the square of a number, composed of tens and units,...square of the tens plus twice the product of the tens multiplied by the units plus the square of the units. It is evident, also, that any number may be divided...

Essentials of Business Arithmetic

George Henry Van Tuyl - 1913 - 272 σελίδες
...sq. ft. = 225 sq. ft. This result may be expressed as follows : The square of a number of two figures is equal to the square of the tens plus twice the...the tens by the units plus the square of the units. 10ft. 6° sq.ft. 25 g sq. ft. » lO°aq.ffc. | 50 «! sq. ft. ° 10ft. 5ft. EVOLUTION = 10 + 5 = 15....

Business Arithmetic for Secondary Schools

Ernest Lawton Thurston - 1913 - 431 σελίδες
...measurements. 1. SQUARES AND SQUARE ROOT. It has been shown numerically (page 123) that the square of any number composed of tens and units is equal to the...square of the tens plus twice the product of the tens multiplied by the cx D units plus the square of the units. This may be shown graphically, as •5(u)...

Essentials of Business Arithmetic

George Henry Van Tuyl - 1913 - 272 σελίδες
...expressed as follows : The square of a number of two Jigures is equal to the square of the tens phis twice the product of the tens by the units plus the square of the units. 10 ft. 80 sq.ft. sq. ft. « as e ioo«,ft, i GO «* sq,ft.S 10ft. 5ft. EVOLUTION 591. 1. Find the square...

Essentials of Business Arithmetic

George Henry Van Tuyl - 1913 - 272 σελίδες
...expressed as follows : The square of a number of two figures is equal to the square of the tens plus twee the product of the tens by the units plus the square of the units. 10 ft. CO sq. ft. 25 g sq. ft. " IdOaq.fiL | mi sq. ft. S 10ft. 5ft. EVOLUTION 591. l. Find the square...

Harvey's Essentials of Arithmetic, with Everyday Problems Relating to ...

Lorenzo Dow Harvey - 1914
...of 20 + 5 by 20) 625= 20 2 + 2(20 x 5) + 5 2 (Product of 20 + 5 by 20 + 5) The square of any integer composed of tens and units is equal to the square...the tens by the units, plus the square of the units. WRITTEN Square the following: 2. 15 4. 35 6. 16 8. 27 10. 150 3. 25 5. 40 7. 19 9. 84 11. 250 The squares...

Arithmetic [elementary, Intermediate, Advanced].

Charles Ernest Chadsey - 1914
...tens and units; that is, of all numbers of two places of figures. The square of any number consisting of tens and units is equal to the square of the tens, plus twice the product of the tens and the units, plus the square of the units. Find the second root of 625. Dividing 625 into root periods,...




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