Exam number 1: Fill in the blank with the suitable number (Note: write decimal number with "the comma" between number part and fraction part. Ex: 0,5) Question 1:
Mary is 12 years old. Her father is 4 times as old as she.
Their average age is .......... years old.30
Mary is 12 years old. Her father is 4 times as old as she.
Their average age is .......... years old.30
Đáp án là:
Exam number 1: Fill in the blank with the suitable number (Note: write decimal number with "the comma" between number part and fraction part. Ex: 0,5) Question 1:
Mary is 12 years old. Her father is 4 times as old as she.
Their average age is .......... years old.30
Mary is 12 years old. Her father is 4 times as old as she.
Their average age is .......... years old.30

