perkalian dan pembagian pecahan

Quiz
•
Mathematics, Other, Fun
•
7th Grade
•
Hard

Kelas VII D SMPIS
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Answer explanation
To solve \(3 \times \frac{2}{7}\), multiply the whole number by the numerator: \(3 \times 2 = 6\). The denominator remains 7, giving \(\frac{6}{7}\), which is the correct answer.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Answer explanation
To multiply fractions, multiply the numerators and the denominators: \(\frac{3 \times 1}{5 \times 7} = \frac{3}{35}\). Thus, the correct answer is \(\frac{3}{35}\).
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Answer explanation
Untuk menghitung \(\frac{3}{4} \times \frac{5}{6}\), kalikan pembilang dan penyebut: \(3 \times 5 = 15\) dan \(4 \times 6 = 24\), sehingga hasilnya \(\frac{15}{24}\). Sederhanakan menjadi \(\frac{5}{8}\), pilihan yang benar.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4
25
Answer explanation
To solve 10 \times \frac{2}{5}, first multiply 10 by 2 to get 20, then divide by 5. This gives 20 \div 5 = 4, which is the correct answer.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Answer explanation
Untuk menghitung \(\frac{2}{5} \times \frac{3}{4}\), kalikan pembilang dan penyebut: \(2 \times 3 = 6\) dan \(5 \times 4 = 20\). Jadi, hasilnya adalah \(\frac{6}{20}\). Sederhanakan menjadi \(\frac{3}{10}\), yang merupakan jawaban yang benar.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
3
4
5
Answer explanation
Alexa memiliki 10 batang cokelat. Jika ½ bagian cokelat diberikan ke Alena, maka Alena akan menerima \frac{2}{5} \times 10 = 4 batang cokelat. Jadi, jawaban yang benar adalah 4.
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Answer explanation
Untuk menghitung hasil dari \(\frac{1}{3} \times \frac{3}{4}\), kalikan pembilang dan penyebut: \(1 \times 3 = 3\) dan \(3 \times 4 = 12\). Jadi, hasilnya adalah \(\frac{3}{12} = \frac{1}{4}\). Pilihan yang benar adalah \(\frac{1}{4}\).
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