Rechenrabe Trax 3, Schülerbuch [Teil B]

Welches Zeichen steht für welche Zahl? 1 a) b) a) 2 a) 3 b) b) d) c) e) × = 250 : = 10 × = 70 − = 3 = 400 = 840 = 520 = 500 = 480 = 740 = 800 = 999 = 24 = 216 = 408 = 808 = 140 = 270 = 130 = 65 = 400 = 300 = 410 = 330 × = 9 × = 21 : = 5 × = 480 × = 36 × = 560 − = 650 + = 700 − = 280 c) = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 114 Mit Zahlen knobeln Nur zu Prüfzwecken – Eigentum des Verlags öbv