是一些数学题实在看不懂!不要硬翻!要不更看不懂!

Find all factors of the following numbers.找出下列数字的因数
(a)14 (答案 1,2,7,14)
(b)22 ( 1,2,11,22)
(c)38 ( 1,2,19,38)
(d)45 (1,3,5,9,15,45)
(e)96 ( 1,2,3,4,6,8,12,16,24,32,48,96)
List the factor pairs of the following numbers.列出下列数字的几对因数
(a)8 (1,8)(2,4)
(b)15 (1,15)(3,5)
(c)29 (1,29)
(d)32 (1,32)(2,16)(4,8)
(e)76 (1,76)(2,38)(4,19)
(a)List all the factors of 34.列出34的所有因数:1,2,17,34
(b)List all the factors of 82.列出82的所有因数:1,2,41,82
(c)Find the highest common factor of 34 and 82.找出34和82最大共同点.
34 and 82 both have factor 1 and 2.
Find the highest common factor of 24 and 124.找出24和124最大的共同点.
List the first five multiples of the following.找出下列数字的最小5个倍数.
(a)4 (4,8,12,16,20)
(b)7
(c)13
(d)15
(e)20
Find the lowest common multiple of each of the following pairs of numbers.找出最小公倍数
(a)2 and 5
10
(b)3 and 8
24
(c)6 and 11
66
(d)5 and 9
45
(e)4 and 9
36
List all of the prime numbers less than one hundred which have a 3 as one of their digits.
找出100以内所有带3的素数.
3,13,23,43,53,73,83,
Write the following numbers as the sum of two prime numbers.写出下列数字有两个素数相加而成
(a)12 (5,7)
(b)22 (9,13)
(c)45 (43,2)
(d)52 (11,41)
(e)64 (11,53)
(a)Choose any two prime numbers between 10 and 20.选择任意2个素数在10和20之间:11,13
(b)Write down the first ten multiples of each.写下他们各自的第一个整十倍数:110,130
(c)Is the lowest common multiple of these two numbers,the same number you would get if you simply multiplied them together?是不是他们的最小公倍数和你那他们乘一起一样?
Yes