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" IV. =(5-1) = 4. (3) When a letter is placed between two letters, each of greater value, its value is taken from the last letter. XIX .= 10 + (10 — 1) = 19. "
The Werner Arithmetic, Oral and Written, Book One, Parts I, II and III - Σελίδα 251
των Frank H. Hall - 1897 - 256 σελίδες
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The Complete Arithmetic: Oral and Written

Daniel W. Fish - 1874 - 540 σελίδες
...that of the greater. Thus, IV represents 4 ; IX, 9 ; XL, 40; XC, 90. 4. When a letter of any value is placed between two letters, each of greater value, its value is taken from the sum of the other two. Thus, XIV represents 14 ; LIX, 59 ; CXL, 140. 5. A bar or dash placed over a...

The Complete Arithmetic: Oral and Written

Daniel W. Fish - 1874 - 542 σελίδες
...that of the greater. Thus, IV represents 4 ; IX, 9 ; XL, 40 ; XC, 90. 4. When a letter of any value is placed between two letters, each of greater value, its value is taken from tho •sum of the other two. Thus, XIV represents 14 ; LIX, 59 ; CXL, 140. 5. A bar or dash placed...

The Elements of Arithmetic, Oral and Written: Designed for Pupils in the ...

Horatio Nelson Robinson - 1877 - 250 σελίδες
...taken from that of the greater. Thus, IV represents 4; IX, 9; XL, 40. 5. When a letter of any value is placed between two letters, each of greater value, its value is to be taken from the united value of the other two. Thus, XIV represents 14 ; XIX, 19. TABLE OF ROMAN...

Robinson's New Rudiments of Arithmetic

Horatio Nelson Robinson - 1892 - 238 σελίδες
...is to be taken from that of the greater. Thus, IX represents nine, XL forty, CD four hundred. 54 4. When a letter is placed between two letters, each of greater value, its value is to be taken from the sum of the other two. Thus, XIV represents fourteen, XXIX twenty-nine, XCIV ninety-four....

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 428 σελίδες
...is to be taken from that of the greater. Thus, IX represents nine, XL forty, CD four hundred. 4. If a letter is placed between two letters, each of greater value, its value is to be taken from the sum of the other two. Thus, XIV represents fourteen, XXIX twenty-nine, XCIV ninety-four....

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 428 σελίδες
...is to be taken from that of the greater. Thus, IX represents nine, XL forty, CD four hundred. 4. If a letter is placed between two letters, each of greater value, its value is to be taken from the sum of the other two. Thus, XIV represents fourteen, XXIX twenty-nine, XCIV ninety-four....

Elements of Arithmetic: For Primary and Intermediate Classes in Public and ...

William James Milne - 1893 - 252 σελίδες
...united. Thus, XV represents fifteen ; LXX, seventy ; LXXX, eighty ; MC, one thousand, one hundred. 4. When a letter is placed between two letters, each of greater value than itself, its value is to be taken from the sum of the other two. Thus, XIV represents fourteen...

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

Horatio Nelson Robinson - 1895 - 526 σελίδες
...that of the greater. Thus, IX represents nine, XL forty, CD four hundred. IV. If a latter of any value is placed between two letters, each of greater value, its value is to be taken from the united value of the other two. Thus, XIV represents fourteen, XXIX twenty-nine,...

The Normal Rudiments of Arithmetic, Oral and Written: Designed for Primary ...

Edward Brooks - 1895 - 248 σελίδες
...represented. Thus, XV denotes fifteen; LX, sixty; LXX, seventy; MC, эпе thousand one hundred. 4. When a letter is placed between two letters each of greater value than itself, its value is to be taken from the sum of the value of the other two. NUMERATION AND NOTATION....

The Werner Arithmetic, Oral and Written, Book Two, Parts I and II, Βιβλίο 2

Frank H. Hall - 1896 - 296 σελίδες
...of greater value, the difference of their values must be taken. IX. =(10-1) = 9. IV. =(5-1) =4. (3) When a letter is placed between two letters, each...from the last letter. XIX .= 10 + (10 — 1) = 19. (4) Placing a short horizontal line over a letter, multiplies its value by 1000. X. = 10,000. NOTE....




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