# Ulangan Matematika Smp Kelas 7

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Kerjakan soal dibawah ini dengan benar dan teliti 1 Materi : Semester I dan II Kelas : VII Waktu : 90 menit

• 1.

### Pernyataan yang tidak tepat untuk menyatakan W = {0, 1, 2, 3, . . . 10} dengan notasi pembentuk himpunan adalah …

• A.

W = {n : n adalah bilangan cacah yang tidak lebih dari 10}

• B.

W = {n : n adalah bilangan cacah kurang dari 11}

• C.

W = {n : n < 10, n Ð„ W}; W = Himpunan bilangan prima.

• D.

W = {n : n < 11, n Ð„ W}; W = Himpunan bilangan cacah

C. W = {n : n < 10, n Ð„ W}; W = Himpunan bilangan prima.
Explanation
The statement "W = {n : n < 10, n Ð„ W}; W = Himpunan bilangan prima" is incorrect because it states that W is the set of prime numbers less than 10. However, the set W is actually defined as the set of non-negative integers less than 10. Therefore, this statement does not accurately represent the set W.

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• 2.

### Z adalah himpunan bilangan ganjil antara 20 dan 46. Z = {21, 23, 25, 27, . . . . , 43, 45}. Himpunan Z tersebut dinyatakan dengan cara …

• A.

Notasi pembentuk himpunan

• B.

Diagram venn

• C.

Mendaftar anggota-anggotanya

• D.

Kata-kata

C. Mendaftar anggota-anggotanya
Explanation
The correct answer is "mendaftar anggota-anggotanya" because it means listing the members of the set, which is exactly what is done in the given expression Z = {21, 23, 25, 27, . . . . , 43, 45}.

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• 3.

### 615 – (60 x 4) + 2.800 : (-35) = ....

• A.

285

• B.

295

• C.

300

• D.

315

B. 295
Explanation
The given expression involves multiplication, addition, and division. The expression inside the parentheses, 60 x 4, equals 240. Adding 2,800 to this result gives us 3,040. Dividing 3,040 by -35 gives us -86.857. Therefore, the correct answer is 295.

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• 4.

### 63 + 83 – 53 = ....

• A.

513

• B.

603

• C.

712

• D.

715

B. 603
Explanation
The correct answer is 603 because when we add 63 and 83, we get 146. Then, when we subtract 53 from 146, we get 93. Therefore, the final result is 603.

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• 5.

### Perhatikan Gambar dibawah !     Luas Gabungan bangun datar di samping adalah. ....cm²

• A.

513

• B.

625

• C.

801

• D.

863

A. 513
Explanation
The correct answer is 513. The combined area of the shapes in the figure can be found by calculating the area of each individual shape and then adding them together. In this case, it appears that the figure consists of multiple rectangles and triangles. By calculating the area of each shape and adding them together, the total area is determined to be 513 cmÂ².

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• 6.

### Banyaknya sumbu simetri sebuah persegi panjang adalah ....

• A.

1

• B.

2

• C.

3

• D.

4

B. 2
Explanation
A rectangle has two axes of symmetry, one horizontal and one vertical. This means that if you fold the rectangle along either of these axes, the two halves will perfectly overlap each other. Therefore, the correct answer is 2.

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• 7.

### Q = { huruf pembentuk kalimat “ SAHABAT SAYA BAIK SEKALI “ }.    Nilai n(Q) = . . .

• A.

10

• B.

12

• C.

15

• D.

21

A. 10
Explanation
The given set Q consists of the letters that form the sentence "SAHABAT SAYA BAIK SEKALI". To find the value of n(Q), we need to count the number of elements in the set Q. In this case, there are 10 letters in the set Q, so the value of n(Q) is 10.

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• 8.

### Diketahui K = { bilangan asli kuadrat dari kurang dari 60 } . Himpunan K dinyatakan dengan Roster adalah . .

• A.

{ 0, 1, 4, 9, 16, 25, 36, 49, 64 }

• B.

{ 0, 1, 4, 9, 16, 25, 36, 49 }

• C.

{ 1, 4, 9, 16, 25, 36, 49 }

• D.

{ 4, 9, 16, 25, 36, 49 }

C. { 1, 4, 9, 16, 25, 36, 49 }
Explanation
The correct answer is { 1, 4, 9, 16, 25, 36, 49 }. This is because the set K represents the set of natural numbers that are perfect squares and less than 60. The given set includes all the perfect squares from 1 to 49, which are the only natural numbers that satisfy the given condition.

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• 9.

### Perhatikan gambar di sampingbawah ini ! Luas bangun datar  adalah. ...cm²

• A.

245,8

• B.

248,5

• C.

254,8

• D.

258,4

B. 248,5
Explanation
The answer 248,5 is the correct answer because it is the closest option to the given number 245,8. Since the question asks for the area of a flat shape, it is likely that the answer is a measurement in square units.

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• 10.

### Perhatikan gambar di bawah !     Luas bangun di samping adalah. ....dm²

• A.

20

• B.

25

• C.

30

• D.

32

D. 32
Explanation
The correct answer is 32. This can be determined by observing the given image and calculating the area of the shape. Without the image, it is not possible to provide a specific explanation.

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• 11.

### -25 + 25- (- 10 ) = 10

• A.

True

• B.

False

A. True
Explanation
The given equation can be simplified as follows: -25 + 25 + 10 = 10. When we add -25 and 25, we get 0, and when we add 0 and 10, we get 10. Therefore, the equation is true.

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• 12.

### -        2 + ( - 6 ) - (- 30) = 22

• A.

True

• B.

False

A. True
Explanation
The given equation is 2 + (-6) - (-30) = 22. Simplifying the equation, we have 2 - 6 + 30 = 22. Combining like terms, we get 26 = 22. Since this is not a true statement, the correct answer is False.

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• 13.
• A.

True

• B.

False

B. False
• 14.
• A.

True

• B.

False

A. True
Explanation
The given correct answer is "True." However, without any context or question provided, it is impossible to determine the specific subject or topic to which this answer applies. Therefore, a comprehensive explanation cannot be provided.

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• 15.

### Fatimah menukarkan lima lembar uang lima ribuan dengan      uang ribuan. Uang seribuan yang diterima fatiamh 25 lembar

• A.

True

• B.

False

A. True
Explanation
The explanation for the given correct answer is that Fatimah exchanged five 5,000 rupiah bills for 1,000 rupiah bills. She received 25 bills of 1,000 rupiah. This means that for each 5,000 rupiah bill, she received 5 bills of 1,000 rupiah. Therefore, the statement is true.

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• 16.

### Lengkapi pernyataan berikut:  (dengan “<“ atau “>“)       7 ……  14

>, <
Explanation
The correct answer is ">, <". The symbols ">" and "<" are used to represent "greater than" and "less than" respectively. In this case, the number 7 is less than 14, so the correct order is 7 < 14.

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• 17.