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好簡單ge數學問題
Level 11.Write down all the factors of the following numbers.(a)18 Factors:_______________________________(b)27 Factors:_______________________________(c)39 Factors:_______________________________(d)72 Factors:_______________________________2.Write down the first 4 multiples of the following... 顯示更多 Level 1 1.Write down all the factors of the following numbers. (a)18 Factors:_______________________________ (b)27 Factors:_______________________________ (c)39 Factors:_______________________________ (d)72 Factors:_______________________________ 2.Write down the first 4 multiples of the following numbers. (a)2 Multiples:______________________________ (b)5 Multiples:______________________________ (c)7 Multiples:______________________________ (d)15 Multiples:______________________________ 3.Find the number of 7 from 90 to120 4.Consider the numbers:2,4,6,8,12,24,36,48,72,96. (a)Common factors of 36 and 48:_______________________ (b)Common multiples of 6 and 8:_______________________ 5.(a) Write down all the factors of 56. ___________________________________ (b) Write down all the factors of 84. ___________________________________ (c) Using the resuls in (a) and (b),write down all the common factors of 56 and 84. ____________________________________ (d)Hence find the H.C.M. of 56 and 84. ____________________________________ 更新: 6.(a) Write down the first 8 mulitples of 15. (b) Write down the first 8 mulitples of 20. (c) Using the resuls in (a) and (b) ,write down the common multiples of 15 and 20. (d) Hence find the L.C.M. of 15 and 20. 更新 2: 7.Find the H.C.M. of 24 and 60. 8.Find the L.C.M. of 32 and 48. Level 2 9.Find the H.C.M. of 46,69,92. 10.Find the H.C.M. of 51,68,170. 11.Find the L.C.M. of 4,6,8. 12.Find the L.C.M. of 20,24,30.
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1(a)1,2,3,6,9,18 (b)1.3,9,27 (c)1,3,13,39 (d)1,2,3,4,6,8,9,12,18,24,36,72 2(a)2,4,6,8 (b)5,10,15,20 (c)7,14,21,28 (d)15,30,45,60 3) 91,98,105,112 4.(a)2,(3),4,6,12 (b)24,48,72,96 5.(a)1,2,4,7,8,14,28,56 (b) 1,2,3,4,6,7,12,14,21,28,42,84 (c)2,4,7,14,28 (d)28 2011-07-26 17:35:37 補充： 3)Do u mean "Find the number of 7 Multiples from 90 to120."? 4)Do u mean “Common factors of 36 and 48 from Consider the numbers:2,4,6,8,12,24,36,48,72,96.”? 2011-07-26 18:10:52 補充： 7)12 8)96 9)23 10)17 11)24 12)120
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好簡單ge數學問題
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發問:Level 11.Write down all the factors of the following numbers.(a)18 Factors:_______________________________(b)27 Factors:_______________________________(c)39 Factors:_______________________________(d)72 Factors:_______________________________2.Write down the first 4 multiples of the following... 顯示更多 Level 1 1.Write down all the factors of the following numbers. (a)18 Factors:_______________________________ (b)27 Factors:_______________________________ (c)39 Factors:_______________________________ (d)72 Factors:_______________________________ 2.Write down the first 4 multiples of the following numbers. (a)2 Multiples:______________________________ (b)5 Multiples:______________________________ (c)7 Multiples:______________________________ (d)15 Multiples:______________________________ 3.Find the number of 7 from 90 to120 4.Consider the numbers:2,4,6,8,12,24,36,48,72,96. (a)Common factors of 36 and 48:_______________________ (b)Common multiples of 6 and 8:_______________________ 5.(a) Write down all the factors of 56. ___________________________________ (b) Write down all the factors of 84. ___________________________________ (c) Using the resuls in (a) and (b),write down all the common factors of 56 and 84. ____________________________________ (d)Hence find the H.C.M. of 56 and 84. ____________________________________ 更新: 6.(a) Write down the first 8 mulitples of 15. (b) Write down the first 8 mulitples of 20. (c) Using the resuls in (a) and (b) ,write down the common multiples of 15 and 20. (d) Hence find the L.C.M. of 15 and 20. 更新 2: 7.Find the H.C.M. of 24 and 60. 8.Find the L.C.M. of 32 and 48. Level 2 9.Find the H.C.M. of 46,69,92. 10.Find the H.C.M. of 51,68,170. 11.Find the L.C.M. of 4,6,8. 12.Find the L.C.M. of 20,24,30.
最佳解答:
1(a)1,2,3,6,9,18 (b)1.3,9,27 (c)1,3,13,39 (d)1,2,3,4,6,8,9,12,18,24,36,72 2(a)2,4,6,8 (b)5,10,15,20 (c)7,14,21,28 (d)15,30,45,60 3) 91,98,105,112 4.(a)2,(3),4,6,12 (b)24,48,72,96 5.(a)1,2,4,7,8,14,28,56 (b) 1,2,3,4,6,7,12,14,21,28,42,84 (c)2,4,7,14,28 (d)28 2011-07-26 17:35:37 補充： 3)Do u mean "Find the number of 7 Multiples from 90 to120."? 4)Do u mean “Common factors of 36 and 48 from Consider the numbers:2,4,6,8,12,24,36,48,72,96.”? 2011-07-26 18:10:52 補充： 7)12 8)96 9)23 10)17 11)24 12)120
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