Postupně vypočítej zadané příklady.

3 . 5 + 4 =	6 . 5 + 20 =	8 . 5 + 7 =	2 . 5 + 9 =
7 . 5 + 8 =	5 . 5 + 6 =	5 . 2 + 78 =	5 . 4 – 6 =
5 . 4 + 18 =	5 . 1 + 70 =	9 . 5 + 6 =	5 . 7 + 9 =
2 . 5 + 89 =	8 . 5 – 9 =	5 . 3 + 80 =	4 . 5 + 63 =
6 . 5 + 6 =	5 . 8 – 7 =	5 . 6 + 18 =	7 . 5 + 7 =
9 . 5 – 7 =	7 . 5 + 8 =	4 . 5 + 15 =	5 . 0 + 90 =