Find the greatest common divisor and the least common multiple of the following numbers (1) : 32 and 54 (2) 51 and 17 (3) 24 and 32 (4) 4, 5 and 8 (5) 15, 30 and 60 (6) 14, 28 and 42

Find the greatest common divisor and the least common multiple of the following numbers (1) : 32 and 54 (2) 51 and 17 (3) 24 and 32 (4) 4, 5 and 8 (5) 15, 30 and 60 (6) 14, 28 and 42

Find the greatest common divisor and the least common multiple of the following groups of numbers‘
The first group: 14,28,70
greatest common divisor:
Least common multiple:
The second group: 6,8,10,12
greatest common divisor:
Least common multiple:
Fourteen
One hundred and forty
Two
One hundred and twenty
The product of two primes is 94, and the sum of the two primes is______ .
94 = 2 × 472 + 47 = 49. That is to say, the sum of these two prime numbers is 49
When to read / S / when to read / Z /?
For example, books, grapes. 2 for books, books, grapes. 2 for books, books, grapes. 2 for books, books, books, books, grapes. 2 for books, books, books, books, books, books, books, books, books, books, books, books, books, books, books. 2 for books, books, books, books, books, books. 2 for books, books, books, books, books. 2 for books, books, books, books, books, books, books, books. 2 for books, books, books, books, books, books, books, books, books, books, books, books, books. For books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books. 2 for books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books|, |
The product of two prime numbers must be a () number, and the product of two even numbers must be a () number
The product of two prime numbers must be a (combined) number, and the product of two even numbers must be an (even) number
When do you read | Z | and | s |?
Remember a doggerel: clear to clear, voiced to voiced, vowel to voiced
[Z] is voiced, so the pronunciation of voiced and original sound at the end, such as eggs [Z], photos [Z]
[s] It's voiceless, so it's voiceless at the end
Happy Spring Festival to you
The least common multiple of the two prime numbers is 143. The two numbers are () and ()
It must be said today
13 and 11
On the plural of English nouns
The plural form of a noun is usually followed by - s or - es
Rules
In general, add - s, sea seas, girl girls, day days at the end of the word
2. After the nouns ending with s, x, CH, SH, add - es, box boxes, watch watches, dish dishes
3. For words ending with - f or - Fe, change - F and - Fe into V, and then add - es, leaf leaves, thief things, knife knives, loaf loads, and soft loves
\X09, X09 plus - s, x09belief beliefs, chief heads, proof proofs, roof proofs, Gulf gulfs
4. For nouns ending with the consonant y, change y to I plus - es, family families, story stories, city cities
5. For nouns ending with a vowel and y, or for proper nouns ending with y, add - s, boy boys, day days, ray rays, Henry Henry
6. Nouns ending with the consonant letter - O are generally added with - es, Negro Negroes, potato potatoes, tomato tomatoes
\Many loanwords are added - s, piano piano, photo photos, auto autos, kilo kilos, solo solos
\Both of them are available
7. For nouns ending with a vowel and an O, add an S
8. For nouns ending with - th, add - S / x09truth truth, mouth mouth, month months, path paths,
2. Irregular plural:
The plural forms of some nouns in English are irregular
Rules
Change the vowels or other forms of nouns
2. Sheet, deer, series, means, works, fish, species, Li, yuan, Jin,
3. Only the plural form is available
Some collective nouns are always used in the plural
5. Some collective nouns can be singular (whole) or plural (member). X09audience, class, family, crowd, couple, group, committee, government, population, crew, team, public, energy, Party
6. The plural means customs, forces, times, spirits, drinks, sands, papers, manners, looks, brains, greens and ruins
7  X09  denotes  a Chinese  plus - s  Americans, Australians, Germany, Greeks, Swedes, Europeans
\Simple and plural Homographs
\X09 / X09 those ending with - man or - woman are changed to - men, - women, English, French women
8. Compound noun change the subject noun to the plural. Sons in law, lookers on, passers by, story tellers, boy friends
\Change the last part into plural when there is no subject noun
\Let's make two parts plural
A pair of mutual primes, the least common multiple is 20, these two numbers are
Coprime number refers to the coprime of two numbers. It doesn't mean that both numbers are prime numbers
Because 20 = 1 × 20 = 2 × 10 = 4 × 5
According to the condition, only 4 and 5 are prime relations, so the answer is 4 and 5
4， 5
4、5
Is the plural of mango plus s or es
Add es
Example: mangoes and rice, mangoes and rice, we prefer mangoes and rice