• 2. Großer Leistungsnachweis-Kopfrechnen
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  • 25.10.2020
  • Mathematik
  • 8
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  • 2. Großer Leistungsnachweis
    / 12

    Als Hilfsmittel erlaubt: /

    Beantworte alle Aufgaben auf diesen Bogen!


    Rechne OHNE Taschenrechner!

    Berechne im Kopf!
    / 12
    • (72)(+67)(12)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (–72) – (+67) – (–12) =
    • 7(38)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} 7 \cdot (3-8) =
    • 12(1)(8)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} 12 – (-1) – (-8) =
    • (+13)+(12)(3)+(8)(+12)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (+13) + (–12) – (–3) + (–8) – (+12) =
    • 8(5)(3)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} 8 \cdot (-5) -(-3) =
    • 8(4+1928)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} 8 – (–4 + 19 – 28) =
    • (4)858=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (-4) - 8 - 5 \cdot 8 =
    • (6)+3+(4)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (-6) + 3 + (-4) =
    • (3514)(12+28)+(24+35)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (35 – 14) – (12 + 28) + (24 + 35) =
    • (3)7+15:5=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (-3) \cdot 7 + 15 : 5 =
    • (+12)(3)+(4)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (+12) \cdot (-3) + (-4) =
    • (1314)(825)=\gdef\cloze#1{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}} (-13-14) \cdot (-8-25)=

    Viel Erfolg!