Postupně vypočítej zadané příklady.

870 – 4 =	772 – 3 =	255 – 7 =	983 – 8 =
991 – 2 =	350 – 9 =	888 – 9 =	134 – 6 =
286 – 7 =	830 – 2 =	700 – 3 =	494 – 9 =
566 – 6 =	763 – 8 =	201 – 5 =	437 – 9 =
756 – 7 =	134 – 6 =	261 – 4 =	502 – 3 =