three out of seven
three out of seven
seven out of
four out of last seven
three out of是什么意思?
three out of
two-out-of-three
the tifference between three times seven,and the product of
three out of the fourteen什么意思?
three times out of four是什么意思
more than three out of four
two out of every three=two in three
Seven out of ten 是单数还是复数