7 ⋅ ( 2 ⋅ r + 11 ) − 5 ⋅ r − 2 7⋅(2⋅r+11)-5⋅r-2 7 ⋅ ( 2 ⋅ r + 1 1 ) − 5 ⋅ r − 2 Vereinfache den Term durch Ausmultiplizieren

9 ⋅ r + 75 9\cdot r+75 9 ⋅ r + 7 5

5 ⋅ r − 73 5\cdot r-73 5 ⋅ r − 7 3

3 ⋅ r + 75 3\cdot r+75 3 ⋅ r + 7 5

2 ⋅ r − 75 2\cdot r-75 2 ⋅ r − 7 5

32 ⋅ x + 43 − 20 ⋅ x = 5 − 45 ⋅ x 32⋅x+43-20⋅x=5-45⋅x 3 2 ⋅ x + 4 3 − 2 0 ⋅ x = 5 − 4 5 ⋅ x Löse die Gleichung

x = − 2 3 x=-\frac{2}{3} x = − 3 2

x = − 0.6 6 ‾ x=-0.6\overline{6} x = − 0 . 6 6

x = − 5 2 x=-\frac{5}{2} x = − 2 5

Quiz (Rechenbeispiele): 1. Klasse AM Sept - De

Authored by Antje Mayer

Education

9th Grade

Quiz (Rechenbeispiele): 1. Klasse AM Sept - De

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30 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

$\left(9+6\right)\cdot30$

500

450

475

540

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$3+4+8\cdot2$

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$90-3\cdot8-5$

691

261

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$174+\left(16+9\right)\ :\ 5$

179

199

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$20\ :\ 5+\left(80-4\right)$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Welcher Rechenausdruck passt zum Text?
"Subtrahiere -3 vom Quotienten aus 25 und -5".

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

2a³. a²=

2a⁵

3a⁵

3a⁶

2a⁶

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