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Test-Lidia
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<p>Ein quadratisches Eckgrundstück muss an zwei benachbarten Seiten einen 1 m breiten Streifen für die Anlage eines neuen Fahrradweges abgeben. Dadurch verringert sich seine Größe um 57 m². Berechnen Sie die neue Grundstücksgröße!<br><br></p>
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<p><span style="font-weight: bold;">Alte</span> Grundstücksgröße mit der Seitenlänge a hat die Fläche a²<br><span style="font-weight: bold;">Neue</span> Grundstücksgröße hat die Seitenlänge (a-1) und damit die Fläche <span style="font-weight: bold;">(a-1)²</span><br><span style="font-weight: bold;">Neue</span> Grundstücksgröße ist auch um 57 m² kleiner als die alte Grundstücksfläche und hat damit auch die Fläche: <span style="font-weight: bold;">a²-57</span></p> <p><span style="font-weight: bold;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mtable columnalign=¨left¨ rowspacing=¨0¨»«mtr»«mtd»«msup»«mi»a«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»57«/mn»«mo»=«/mo»«msup»«mfenced»«mrow»«mi»a«/mi»«mo»-«/mo»«mn»1«/mn»«/mrow»«/mfenced»«mn»2«/mn»«/msup»«/mtd»«/mtr»«mtr»«mtd»«msup»«mi»a«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»57«/mn»«mo»=«/mo»«msup»«mi»a«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»2«/mn»«mi»a«/mi»«mo»+«/mo»«mn»1«/mn»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»|«/mo»«mo»-«/mo»«msup»«mi»a«/mi»«mn»2«/mn»«/msup»«/mtd»«/mtr»«mtr»«mtd»«mo»-«/mo»«mn»57«/mn»«mo»=«/mo»«mo»-«/mo»«mn»2«/mn»«mi»a«/mi»«mo»+«/mo»«mn»1«/mn»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»|«/mo»«mo»+«/mo»«mn»2«/mn»«mi»a«/mi»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»|«/mo»«mo»+«/mo»«mn»57«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»a«/mi»«mo»=«/mo»«mn»58«/mn»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»|«/mo»«mo»:«/mo»«mn»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»a«/mi»«mo»=«/mo»«mn»29«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»A«/mi»«mi»l«/mi»«mi»t«/mi»«mi»e«/mi»«mo»§nbsp;«/mo»«mi»G«/mi»«mi»r«/mi»«mi»u«/mi»«mi»n«/mi»«mi»d«/mi»«mi»s«/mi»«mi»t«/mi»«mi»§#252;«/mi»«mi»c«/mi»«mi»k«/mi»«mi»s«/mi»«mi»f«/mi»«mi»l«/mi»«mi»§#228;«/mi»«mi»c«/mi»«mi»h«/mi»«mi»e«/mi»«mo»:«/mo»«mo»§nbsp;«/mo»«mn»29«/mn»«mo»§#183;«/mo»«mn»29«/mn»«mo»=«/mo»«mn»841«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»N«/mi»«mi»e«/mi»«mi»u«/mi»«mi»e«/mi»«mo»§nbsp;«/mo»«mi»G«/mi»«mi»r«/mi»«mi»u«/mi»«mi»n«/mi»«mi»d«/mi»«mi»s«/mi»«mi»t«/mi»«mi»§#252;«/mi»«mi»c«/mi»«mi»k«/mi»«mi»s«/mi»«mi»f«/mi»«mi»l«/mi»«mi»§#228;«/mi»«mi»c«/mi»«mi»h«/mi»«mi»e«/mi»«mo»:«/mo»«mn»28«/mn»«mo»§#183;«/mo»«mn»28«/mn»«mo»=«/mo»«mn»784«/mn»«/mtd»«/mtr»«/mtable»«/math»<br></span></p>
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Choice 1
Answer
784 m²
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
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-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Choice 2
Answer
841 m²
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
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-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
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-80%
-83.33333%
-90%
-100%
Feedback
Choice 3
Answer
7,5 m
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Choice 4
Answer
keine Antwort ist richig!
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Choice 5
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Choice 6
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Choice 7
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Combined feedback
For any correct response
For any partially correct response
Options
Show the number of correct responses once the question has finished
For any incorrect response
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
Options
Clear incorrect responses
Show the number of correct responses
Hint 2
Hint text
Options
Clear incorrect responses
Show the number of correct responses
Created / last saved
Created
by
Admin User
on
Monday, 15 July 2013, 9:12 AM
Last saved
by
Admin User
on
Monday, 15 July 2013, 9:12 AM
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