Berechne.
45 - 12 + 9 =
45 - (12 + 9) =
79 - 26 + 30 =
79 - (26 + 30) =
65 + 20 - (5 +10) =
65 + 20 - (5 +10) =
65 + 20 - 5 +10 =
20 + (8 + 3) • 3 =
20 + 8 + 3 • 3 =
Berechne.
45 - 12 + 9 =
45 - (12 + 9) =
79 - 26 + 30 =
79 - (26 + 30) =
65 + 20 - (5 +10) =
65 + 20 - (5 +10) =
65 + 20 - 5 +10 =
20 + (8 + 3) • 3 =
20 + 8 + 3 • 3 =