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 Βιβλία Βιβλία 91 - 100 από 168 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
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## A Practical Arithmetic: Designed for Grammar Schools and Academies

George E. Seymour - 1880 - 310 σελίδες
...+ 2 (20X5) + (5)! 487. Hence, The square of any number consisting of tens and units is composed of the square of the tens, plus twice the product of...the tens by the units, plus the square of the units. 488. From this general law it follows a. That if from the square of a number, the square of the tens... ## The Bryant and Stratton Business Arithmetic

H. Bryant - 1881
...for every two decimal places used. 304. Observe further, that the square af any number separated into tens and units is equal to the square of the tens, plus twice the product of the tens by (he units, plus the square, of the units. (Art. 355, 1.) 36'J. These two principles concerning the... James Bates Thomson - 1882 - 404 σελίδες
...200 + 25 = 625, or 25 s . Hence, the 62g _ 400 + 200 + 35 RULB.—The square of any number consisting of tens and units is equal to the square of the tens,...the tens by the units, plus the square of the units. 1 VOLUTION. ORAL EXERCISES. 720. 1. What are the two equal factors of 9 ? 16 ? 25 "t 2. Name the two... ## Complete Graded Arithmetic, Oral and Written: Upon the Inductive Method of ...

James Bates Thomson - 1882 - 400 σελίδες
...200 + 23 = 625, or 252. Hence, the 625 = 400 + 200 + 25 RULE. — The square of any number consisting of tens and units is equal to the square of the tens, plus tiuice the product of the tens by the units, plus the square of the units. 4. What is the square of... ## Fish's Arithmetic Number One[-two]: Oral and Written ..., Τόμος 2

Daniel W. Fish - 1883
...these partial products, is the square of 20 + 7 or 27. PRINCIPLE.— TJie square of a number consisting of tens and units is equal to the square of the tens,...the tens by the units, plus the square of the units. Using t and u respectively to denote the tens and units of a number, we have the FORMULA : I" + 2 x... ## A New Complete Arithmetic: Uniting Oral and Written Exercises

Emerson Elbridge White - 1883 - 360 σελίδες
...106.75? 74. 1.1449? 55. 390625? 65. 566.44? 75. 4.1209? PRINCIPLE AND RULE. ART. 361. Principle. — The square of a number, composed of tens and units,...the tens, plus twice the product of the tens by the unite, plus the square of the units. ART. 362. To extract the square root of a number: Rule. — 1.... ## Fish's Arithmetic Number Two: Oral and Written Upon the Inductive ..., Τόμος 2

Daniel W. Fish - 1883
...is the square of 20 + 7 or 27. 729 = x 20 x7 + 72 PRINCIPLE. — The square of a number consisting of tens and units is equal to the square of the tens,...plus twice the product of the tens by the units, plus ths square of the units. Using t and u respectively to denote the tens and units of a number, we have... ## A New Complete Arithmetic: Uniting Oral and Written Exercises

Emerson Elbridge White - 1883 - 360 σελίδες
...greatest square in 33 is 25, and the square root of 25 is 5. Hence, 5 is the tens' term of the root. Since the square of a number composed of tens and units is equal to (I) the square of the tens, (2) plus twice the product of the tens by the units, (3) plus the square... ## Complete Arithmetic Combining Oral and Written Exercises

Indiana. State Board of Education - 1886 - 352 σελίδες
...square of 25. By analyzing the foregoing we find that 625, when compared with its square root, contains the square of the tens, plus twice the product of...the tens by the units, plus the square of the units. Q 2 = 81 From the squares in the margin we may 99 3 = 9801 infer that the square of any number con125... ## Numbers Applied, a Complete Arithmetic, Μέρος 1

Andrew Jackson Rickoff - 1886
...to see where we may find them in the product. Thus, In this case we see that 365. The square of 43 is equal to the square of the tens, plus twice the...the tens by the units, plus the square of the units. v- Q It may be shown that the same is true of any number. Raise the following numbers to the second...