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Tolong di jawab Pleaseeeeee #No ngasal #No bhs alien

Berikut ini adalah pertanyaan dari NoeLveN9999 pada mata pelajaran Matematika untuk jenjang Sekolah Dasar

Tolong di jawab Pleaseeeeee


#No ngasal
#No bhs alien
Tolong di jawab Pleaseeeeee #No ngasal #No bhs alien

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Penjelasan dengan langkah-langkah:

1.

2 \times 4 \frac{3}{8} - 5 \frac{3}{4} = 2 \times \frac{35}{8} - \frac{23}{4} = \frac{35}{4} - \frac{23}{4} = \frac{12}{4} = 3

2.

1.25 - 0.5 \times \frac{1}{4} = \frac{125}{100} - \frac{5}{10} \times \frac{1}{4} = \frac{125}{100} - \frac{5}{40} = \frac{250}{200} - \frac{25}{200} = \frac{225}{200} = 1 \frac{25}{200} = 1 \frac{1}{8}

3.

\frac{1}{4} + 1.5 \div 0.25 = \frac{1}{4} + \frac{15}{10} \div \frac{25}{100} = \frac{1}{4} + \frac{15}{10} \times \frac{100}{25} = \frac{1}{4} + 6 = 6 \frac{1}{4}

4.

2 \frac{4}{5} \times \frac{1}{8} - 0.15 = \frac{14}{5} \times \frac{1}{8} - \frac{15}{100} = \frac{7}{20} - \frac{15}{100} = \frac{35}{100} - \frac{15}{100} = \frac{20}{100} = \frac{1}{5}

5.

14.1 \div (1 \frac{3}{5} + 75\%) = \frac{141}{10} \div ( \frac{8}{5} + \frac{75}{100} ) = \frac{141}{10} \div ( \frac{160}{100} + \frac{75}{100} ) = \frac{141}{10} \div \frac{235}{100} = \frac{141}{10} \times \frac{100}{235} = \frac{282}{47} = 6

6.

10.125 - 34.125 \div 6 \frac{1}{2} = 10.125 - \frac{34125}{1000} \div \frac{13}{2} = 10.125 - \frac{34125}{1000} \times \frac{2}{13} = \frac{10125}{1000} - \frac{5250}{1000} = \frac{4875}{1000} = \frac{39}{8} = 4 \frac{7}{8}

7.

35\% + 2 \frac{4}{5} \times (0.25 + \frac{1}{5} ) = \frac{35}{100} + \frac{14}{5} \times (0.25 + 0.2) = \frac{35}{100} + \frac{14}{5} \times 0.45 = \frac{35}{100} + \frac{14}{5} \times \frac{45}{100} = \frac{35}{100} + \frac{126}{100} = \frac{161}{100} = 1 \frac{61}{100}

8.

2.5 \div \frac{1}{4} - 1 \frac{1}{5} \times 20\% = \frac{25}{10} \times \frac{4}{1} - \frac{6}{5} \times \frac{20}{100} = 10 - \frac{6}{25} = \frac{250}{25} - \frac{6}{25} = \frac{244}{25} = 9 \frac{19}{25}

9.

4 \frac{4}{5} \times 0.4 - 1 \frac{1}{8} \div \frac{3}{4} = \frac{24}{5} \times \frac{4}{10} - \frac{9}{8} \times \frac{4}{3} = \frac{48}{25} - \frac{3}{2} = \frac{96}{50} - \frac{75}{50} = \frac{21}{50}

10.

2.5 + \frac{3}{5} \times (75\% - \frac{1}{2} ) = \frac{25}{10} + \frac{3}{5} \times (75\% - 50\%) = \frac{25}{10} + \frac{3}{5} \times 25\% = \frac{25}{10} + \frac{3}{5} \times \frac{25}{100} = \frac{25}{10} + \frac{3}{20} = \frac{50}{20} + \frac{3}{20} = \frac{53}{20} = 2 \frac{13}{20}

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Last Update: Mon, 12 Dec 22
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