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 Βιβλία Βιβλία 31 - 40 από 50 για The cube of a number is equal to the cube of the tens, plus three times the product....
The cube of a number is equal to the cube of the tens, plus three times the product of the square of the tens by the units, plus three times the product of the tens by the square of the units, plus the cube of the units.
A Complete Arithmetic: Uniting Mental and Written Exercises in a Natural ... - Σελίδα 258
των Emerson Elbridge White - 1870 - 340 σελίδες
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University Algebra: Embracing a Logical Development of the Science with ...

Charles Davies - 1889 - 320 σελίδες
...b)3 - a3 + 3a?b + 3atf + b3. That is, a number is equal to cube of the tens of its cube root, plus three times the product of the square of the tens by the units, plus three times the product of the tens by the square of the units, plus the cube of the units. We...

An Arithmetic for Preparatory Schools, High Schools, and Academies

Charles Austin Hobbs - 1889 - 343 σελίδες
...In general, the cube of any number composed of tens and units is equal to the cube of the tens, plus three times the product of the square of the tens by the units, plus three times the product of the tens by the square of the units, plus the cube of the units. I....

A New Complete Arithmetic: Uniting Oral and Written Exercises

Emerson Elbridge White - 1883 - 360 σελίδες
...the cube of the units. But since the square of tens gives no order lower than hundreds (Art. 360), the 461 hundreds of the difference (46144) contains...three times the product of the square of the tens bу the units. Hence, if the 461 hundreds (rejecting the two right-hand figures) be divided by three...

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 416 σελίδες
.... RULE. — To find the cube of a number consisting of tens and units, to the cube of the tens add three times the product of the square of the tens by the units, three times the product of the tens by the square of the units, and the cube of the units. The cube...

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 416 σελίδες
...33. RULE. — To find the cube of a number consisting of tens and units, to the cube of the tens add three times the product of the square of the tens by the units, three times the product of the tens by the square of the units, and the cube of the units. The cube...

Bradbury's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - 1895 - 377 σελίδες
...figures are tens and units equals 40 + 40 + в 5 40 x 5 40X 5 + 5« 40« + The cube of the tens, plus three times the product of the square of the tens by the units, plus three times the product of tlie tens by the square of the units, plus the cube .of the units....

Robinson's New Higher Arithmetic: For High Schools, Academies, and ...

Horatio Nelson Robinson - 1895 - 506 σελίδες
...RULE. — To find the cube of a number consisting of tens and units. — To the cube, of the tens add three times the product of the square of the tens by the units, three times the product of the tens by the square of the units, and the cube nfthe units. Хотя....

New Franklin Arithmetic: 1st[-2d] Book, Τόμος 2

...of any number consisting of tens and units is made up of four parts : (1) the cube of the tens, (2) three times the product of the square of the tens by the units, (3) three times the product of the tens by the square of the units, (4) the cube of the units. Formula:...

Higher Book

William Seneca Sutton - 1896
...four partial products -liaak obtained from the root by : (1) Taking the cube of the tens ; (2) Taking three times the product of the square of the tens by the units ; (3) Taking three times the product of the tens by the square of the units ; (4) Taking the cube of...