英语数学题(用中文解答）1.Two numbers added together make 56. A quarter
英语数学题(用中文解答）
1.Two numbers added together make 56.
A quarter of the first plus a third of the second make 16.
2.A group of 7-year-olods are going to a park with a group of 11-year-olds.lf the average age of the two groups together is 9.4 years,how many of each age group are there?
1.Two numbers added together make 56.
A quarter of the first plus a third of the second make 16.
2.A group of 7-year-olods are going to a park with a group of 11-year-olds.lf the average age of the two groups together is 9.4 years,how many of each age group are there?
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