Lớp 5
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
The sum total of the ages of the son and his father is 58 years.if 7 years after the ratio of the ages of the son and father will be 1:3,then what is the age of son now?
Hỏi lúc: 13-12-2018 14:35
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60 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
The sum of the ages of a father and a his son is 72 years. After 2 years,the age of father will be 3 times more than the age of his son.How old is the father now?
Hỏi lúc: 13-12-2018 14:35
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70 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Five years ago Kate was five times as old as her son. Five years later her age will be 40 years old.. How old is her son now ?
Hỏi lúc: 13-12-2018 14:35
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78 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
2 years ago, the sum of Lan and his mother’ age is 50. Now, 2 times of mother’s age equal 7 times of lan’s age. How old is Lan now?
Hỏi lúc: 13-12-2018 14:35
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54 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Amamda is 12 years old. she is 2/7 times as old as her father. how many years ago was her father 4 times as old as Amanda?
Hỏi lúc: 13-12-2018 14:35
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111 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
At present, the different of the ages of a father and his son is 33 years. How many years ago was father 4 times as old as his son? Know that his son is 10 years old now.
Hỏi lúc: 13-12-2018 14:35
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51 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
A mother is two and a half times as old as her daughter and the sum ages of two person is 56. Find mother 's age in 5 years?
Hỏi lúc: 13-12-2018 14:35
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103 views
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120 views
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121 views
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128 views
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114 views
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109 views
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101 views