Postupně vypočítej zadané příklady.

3 . 10 – 7 =	7 . 10 – 6 =	8 . 10 – 30 =	9 . 10 – 4 =
6 . 10 + 9 =	5 . 10 – 7 =	4 . 10 + 8 =	10 . 3 + 14 =
10 . 10 – 40 =	10 . 0 + 15 =	1 . 10 + 26 =	10 . 2 + 60 =
2 . 10 + 28 =	10 . 10 – 70 =	10 . 4 + 13 =	10 . 9 – 5 =
10 . 5 + 25 =	10 . 8 – 7 =	10 . 6 + 13 =	10 . 7 + 22 =
9 . 10 – 70 =	7 . 10 + 8 =	4 . 10 + 5 =	5 . 10 + 9 =