 | George Henry Van Tuyl - 1913 - 296 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... | |
 | Lorenzo Dow Harvey - 1914 - 558 σελίδες
...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... | |
 | Charles Ernest Chadsey - 1914 - 284 σελίδες
...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,... | |
 | George E. Mercer, Mabel Bonsall - 1914 - 324 σελίδες
...20+6 /=tens u = units ?L±6 _ t+u 20* + (20x6) f+u 400 + 240 + 36 = 676 t2 + 2 x (txu) + u2 Hence, the square of a number composed of tens and units is equal to the square of the tens + twice the tens times the units + the square of the units. tz + 2 x (tx «) + itz may be written,... | |
 | William James Milne - 1914 - 524 σελίδες
...6 tens in the root, squaring, and subtracting from 3844, we find there is 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... | |
 | George Albert Wentworth, David Eugene Smith - 1914 - 396 σελίδες
...more figures may be regarded as composed of tens and units. Therefore, The square of a number contains the square of the tens, plus twice the product of the tens and units, plus the square of the units. This is the most important principle in square root and should... | |
 | William Henry Dooley - 1915 - 366 σελίδες
...the root, and shows what root is to be taken. Thus, .\/8 = 2 is read, the cube root of 8 is 2. Square Root The square of a number composed of tens and units...the tens by the units, plus the square of the units. tens? + 2 x tens x units + units? EXAMPLE. — What is the square root of 1225? 12'25(30 + 5 = 35 Separating... | |
 | William Henry Dooley - 1915 - 364 σελίδες
...the root, and shows what root is to be taken. Thus, \/8 = 2 is read, the cube root of 8 is 2. Square Root The square of a number composed of tens and units...the tens by the units, plus the square of the units. tens' + 2 x tens x units + units' EXAMPLE. — What is the square root of 1225? 12'25(30 + 5 = 35 Separating... | |
 | George Henry Van Tuyl - 1915 - 466 σελίδες
...expressed as follows : The square of a number of two figures is equal to the square of the tens phis twice the product of the tens by the units plus the square of the units. By careful inspection and application of this principle, the square root of any number may be found.... | |
 | John Henry Moore, George Washington Miner - 1915 - 538 σελίδες
...22 = 4 402+2(40x2) + 22= 1764 238. In the preceding process it is shown that the square of a number is equal to the square of the tens plus twice the product of the tens ly the units, plus the square of the units. 239. I2 = 1, 102 = 100, 1002 = 10000, and so on ; 92 =... | |
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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? 
