5. Exercises
From Förberedande kurs i matematik 1
Theory | Exercises |
Exercise 5:1
Work out (without the help of a calculator)
a) | \displaystyle 3-7-4+6-5 | b) | \displaystyle 3-(7-4)+(6-5) |
c) | \displaystyle 3-(7-(4+6)-5) | d) | \displaystyle 3-(7-(4+6))-5 |
Answer
Solution a
Solution b
Solution c
Solution d
Exercise 5:2
Simplify
a) | \displaystyle (3-(7-4))(6-5) | b) | \displaystyle 3-(((7-4)+6)-5) |
c) | \displaystyle 3\cdot(-7)-4\cdot(6-5) | d) | \displaystyle 3\cdot(-7)-(4+6)/(-5) |
Answer
Solution a
Solution b
Solution c
Solution d