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 Βιβλία Βιβλία 161 - 170 από 170 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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## Progressive Arithmetic: Third book, Βιβλίο 3

1916
...10) 169 100 + 2 = 10 2 +2(10x3) f The square of any integer composed of tens and units is equal to f the square of the tens, plus twice the product of the tens and the its, plus the square of the units. EXERCISES 522. i. Find the square of the number 14. SOLUTION...

## Vocational Mathematics for Girls

William Henry Dooley - 1917 - 369 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...

## Junior High School Mathematics, Βιβλίο 1

George Wentworth, David Eugene Smith, Joseph Clifton Brown - 1917 - 250 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 important principle in square root should be clearly...

## The World Book: Organized Knowledge in Story and Picture, Τόμος 4

...of any number composed of two figures may be found: The square of any number composed of two figures Is equal to the square of the tens, plus twice the product of the tens and the units, plus the square of the units. Square 35. Process: (35)2=302+2(30X5) +52=900+ 2(150)+25=900+300+25=1,225....

## Higher Arithmetic

George Wentworth, David Eugene Smith - 1919 - 250 σελίδες
...methods. Square Root. It is easily seen by algebraic multiplication 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. Since 1 = 1 2 , 100 =10 2 , 10,000 = 100 2 , and so on, it...

## Higher arithmetic

George Wentworth - 1919 - 250 σελίδες
...methods. Square Root. It is easily seen by algebraic multiplication that 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. Since 1 = 12, 100 =102, 10,000 = 1002, and so on, it is evident...

## School Arithmetics: Book One-three, Βιβλίο 3

...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 principle, important in square root, should be clearly...