標題:
Maths
發問:
1.30 apples,36oranges and 48 pears are divided into several bags so that each bag contain equal amount of each kind of fruit?2.what is the large number of bags?3.How many fruits are there in one bag?4.A number can divided by 48 and 72.Find the smallest value of this number.5Bell A is rung at 18-min interval... 顯示更多 1.30 apples,36oranges and 48 pears are divided into several bags so that each bag contain equal amount of each kind of fruit? 2.what is the large number of bags? 3.How many fruits are there in one bag? 4.A number can divided by 48 and 72.Find the smallest value of this number. 5Bell A is rung at 18-min interval ,bell B is rung at 12:00pm, 2:00pm,4:00 and so on.If they are rung together at 12:00pm,when will they be next rung together?
最佳解答:
其他解答:
2.what is the large number of bags? 30+36+48=108// the largest number of bags is 108 since:108/1=108// 3.How many fruits are there in one bag? =1// 4.A number can divided by 48 and 72.Find the smallest value of this number =144//
Maths
發問:
1.30 apples,36oranges and 48 pears are divided into several bags so that each bag contain equal amount of each kind of fruit?2.what is the large number of bags?3.How many fruits are there in one bag?4.A number can divided by 48 and 72.Find the smallest value of this number.5Bell A is rung at 18-min interval... 顯示更多 1.30 apples,36oranges and 48 pears are divided into several bags so that each bag contain equal amount of each kind of fruit? 2.what is the large number of bags? 3.How many fruits are there in one bag? 4.A number can divided by 48 and 72.Find the smallest value of this number. 5Bell A is rung at 18-min interval ,bell B is rung at 12:00pm, 2:00pm,4:00 and so on.If they are rung together at 12:00pm,when will they be next rung together?
最佳解答:
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1.the ratio of apples: oranges: pears =30:36:48 When the no. of fruits in one bag is the smallest, the no. of bags will be largest. the ratio of fruits in one bag is 30:36:48= 5:6:8 2. the largest number of bags =30/5 =6 bags // 3. no. of fruits in one bag = 5+6+8 =19 // 4. 48=2^4 x 3 72=2^3 x 3^2 L.C.M.=2^4 x 3^2 =144 The smallest value of this number is 144 5.Rung interval of A =18 mins Rung interval of B =2 hrs =120 mins 18=2 x 3^2 120= 2^3 x3 x 5 L.C.M.=2^3 x 3^2 x 5 L.C.M.=360 mins =6 hrs the next rung together is 6:00pm //其他解答:
2.what is the large number of bags? 30+36+48=108// the largest number of bags is 108 since:108/1=108// 3.How many fruits are there in one bag? =1// 4.A number can divided by 48 and 72.Find the smallest value of this number =144//
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