初一英语竞赛题.急..今晚就要用了..Jady is 10 and her sister is 12.In how many years will their ages total 38?__________________________

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初一英语竞赛题.急..今晚就要用了..Jady is 10 and her sister is 12.In how many years will their ages total 38?__________________________

初一英语竞赛题.急..今晚就要用了..Jady is 10 and her sister is 12.In how many years will their ages total 38?__________________________
初一英语竞赛题.急..今晚就要用了..
Jady is 10 and her sister is 12.In how many years will their ages total 38?
__________________________

初一英语竞赛题.急..今晚就要用了..Jady is 10 and her sister is 12.In how many years will their ages total 38?__________________________
The answer is eight years .
Why?因为题目是问过了多少年后她们的年龄之和到了38岁.
Jady 10
her sister 12
so (38-10-12)除以2就得到8了.

8

Jady十岁了,她姐姐十二了!多少年以后她们年龄相加是38岁!
当然是八年后

8 years (38-12-10)/2=8

eight years.

……
怎么数学还不会了呢……
愁人啊小朋友

原来初中英语竞赛这么水。。。。8 years