Practice and chapter test
Answers are for parents and teachers.
1
Expenses are 80 000, 120 000 and 100 000 so‘m. What is the mean expense in so‘m?
100000
2
How many m/s is 54 km/h?
15
3
Find D for a = 2, b = –8, c = 6.
16
4
A formula that writes “ha” if the number in B1 is greater than 50 and “yo‘q” otherwise.
=IF(B1>50,"ha","yo‘q")
5
List 3 hard topics from the Excel chapter and invent one exercise for each.
The answer is personal: for example absolute references, nested IF, solving an equation graphically.