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tolong bantuin dong kak, no. 18-20 aja ya kak terima

Berikut ini adalah pertanyaan dari krouth1985 pada mata pelajaran Matematika untuk jenjang Sekolah Dasar

Tolong bantuin dong kak, no. 18-20 aja ya kak terima kasih ^_^
tolong bantuin dong kak, no. 18-20 aja ya kak terima kasih ^_^

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Nomor 11

\boxed{\begin{aligned} \sf 1,3 &= \sf \frac{13}{10} \\ \sf &= \sf \frac{10 + 3}{10} \\ \sf &= \sf \frac{10}{10} + \frac{3}{10} \\ \sf &= \sf \frac{10 \div 10}{10 \div 10} + \frac{3}{10}\\ \sf &= \sf \frac{1}{1} + \frac{3}{10} \\ \sf &= \sf 1 + \frac{3}{10} \\ \sf &= \sf 1 \frac{3}{10} \end{aligned}}

ㅤ

Nomor 12

\boxed{\begin{aligned} \sf 2,4 &= \sf \frac{24}{10} \\ \sf &= \sf \frac{20 + 4}{10} \\ \sf &= \sf \frac{20}{10} + \frac{4}{10} \\ \sf &= \sf \frac{20 \div 10}{10 \div 10} + \frac{4 \div 2}{10 \div 2} \\ \sf &= \sf \frac{2}{1} + \frac{2}{5} \\ \sf &= \sf 2 + \frac{2}{5} \\ \sf &= \sf 2 \frac{2}{5} \end{aligned}}

ㅤ

Nomor 13

\boxed{\begin{aligned} \sf 4,8 &= \sf \frac{48}{10} \\ \sf &= \sf \frac{40 + 8}{10} \\ \sf &= \sf \frac{40}{10} + \frac{8}{10} \\ \sf &= \sf \frac{40 \div 10}{10 \div 10} + \frac{8 \div 2}{10 \div 2} \\ \sf &= \sf \frac{4}{1} + \frac{4}{5} \\ \sf &= \sf 4 + \frac{4}{5} \\ \sf &= \sf 4 \frac{4}{5} \end{aligned}}

ㅤ

Nomor 14

\boxed{\begin{aligned} \sf 5,2 &= \sf \frac{52}{10} \\ \sf &= \sf \frac{50 + 2}{10} \\ \sf &= \sf \frac{50}{10} + \frac{2}{10} \\ \sf &= \sf \frac{50 \div 10}{10 \div 10} + \frac{2 \div 2}{10 \div 2} \\ \sf &= \sf \frac{5}{1} + \frac{1}{5} \\ \sf &= \sf 5 + \frac{1}{5} \\ \sf &= \sf 5 \frac{1}{5} \end{aligned}}

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Nomor 15

\boxed{\begin{aligned} \sf 3,75 &= \sf \frac{375}{100} \\ \sf &= \sf \frac{300 + 75}{100} \\ \sf &= \sf \frac{300}{100} + \frac{75}{100} \\ \sf &= \sf \frac{300 \div 100}{100 \div 100} + \frac{75 \div 25}{100 \div 25} \\ \sf &= \sf \frac{3}{1} + \frac{3}{4} \\ \sf &= \sf 3 + \frac{3}{4} \\ \sf &= \sf 3 \frac{3}{4} \end{aligned}}

ㅤ

Nomor 16

\boxed{\begin{aligned} \sf 5,64 &= \sf \frac{564}{100} \\ \sf &= \sf \frac{500 + 64}{100} \\ \sf &= \sf \frac{500}{100} + \frac{64}{100} \\ \sf &= \sf \frac{500 \div 100}{100 \div 100} + \frac{64 \div 4}{100 \div 4} \\ \sf &= \sf \frac{5}{1} + \frac{16}{25} \\ \sf &= \sf 5 + \frac{16}{25} \\ \sf &= \sf 5 \frac{16}{25} \end{aligned}}

ㅤ

Nomor 17

\boxed{\begin{aligned} \sf 8,25 &= \sf \frac{825}{100} \\ \sf &= \sf \frac{800 + 25}{100} \\ \sf &= \sf \frac{800}{100} + \frac{25}{100} \\ \sf &= \sf \frac{800 \div 100}{100 \div 100} + \frac{25 \div 25}{100 \div 25} \\ \sf &= \sf \frac{8}{1} + \frac{1}{4} \\ \sf &= \sf 8 + \frac{1}{4} \\ \sf &= \sf 8 \frac{1}{4} \end{aligned}}

ㅤ

Nomor 18

\boxed{\begin{aligned} \sf 10,24 &= \sf \frac{1.024}{100} \\ \sf &= \sf \frac{1.000 + 25}{100} \\ \sf &= \sf \frac{1.000}{100} + \frac{24}{100} \\ \sf &= \sf \frac{1.000 \div 100}{100 \div 100} + \frac{24 \div 4}{100 \div 4} \\ \sf &= \sf \frac{10}{1} + \frac{6}{25} \\ \sf &= \sf 10 + \frac{6}{25} \\ \sf &= \sf 10 \frac{6}{25} \end{aligned}}

ㅤ

Nomor 19

\boxed{\begin{aligned} \sf 4,15 &= \sf \frac{415}{100} \\ \sf &= \sf \frac{400 + 15}{100} \\ \sf &= \sf \frac{400}{100} + \frac{15}{100} \\ \sf &= \sf \frac{400 \div 100}{100 \div 100} + \frac{15 \div 5}{100 \div 5} \\ \sf &= \sf \frac{4}{1} + \frac{3}{20} \\ \sf &= \sf 4 + \frac{3}{20} \\ \sf &= \sf 4 \frac{3}{20} \end{aligned}}

ㅤ

Nomor 20

\boxed{\begin{aligned} \sf 6,275 &= \sf \frac{6.275}{1.000} \\ \sf &= \sf \frac{6.000 + 275}{1.000} \\ \sf &= \sf \frac{6.000}{1.000} + \frac{75}{1.000} \\ \sf &= \sf \frac{6.000 \div 1.000}{1.000 \div 1.000} + \frac{275 \div 25}{1.000 \div 25} \\ \sf &= \sf \frac{6}{1} + \frac{11}{40} \\ \sf &= \sf 6 + \frac{11}{40} \\ \sf &= \sf 6 \frac{11}{40} \end{aligned}}

Nomor 11[tex] \boxed{\begin{aligned} \sf 1,3 &= \sf \frac{13}{10} \\ \sf &= \sf \frac{10 + 3}{10} \\ \sf &= \sf \frac{10}{10} + \frac{3}{10} \\ \sf &= \sf \frac{10 \div 10}{10 \div 10} + \frac{3}{10}\\ \sf &= \sf \frac{1}{1} + \frac{3}{10} \\ \sf &= \sf 1 + \frac{3}{10} \\ \sf &= \sf 1 \frac{3}{10} \end{aligned}} [/tex]ㅤNomor 12[tex] \boxed{\begin{aligned} \sf 2,4 &= \sf \frac{24}{10} \\ \sf &= \sf \frac{20 + 4}{10} \\ \sf &= \sf \frac{20}{10} + \frac{4}{10} \\ \sf &= \sf \frac{20 \div 10}{10 \div 10} + \frac{4 \div 2}{10 \div 2} \\ \sf &= \sf \frac{2}{1} + \frac{2}{5} \\ \sf &= \sf 2 + \frac{2}{5} \\ \sf &= \sf 2 \frac{2}{5} \end{aligned}} [/tex]ㅤNomor 13[tex] \boxed{\begin{aligned} \sf 4,8 &= \sf \frac{48}{10} \\ \sf &= \sf \frac{40 + 8}{10} \\ \sf &= \sf \frac{40}{10} + \frac{8}{10} \\ \sf &= \sf \frac{40 \div 10}{10 \div 10} + \frac{8 \div 2}{10 \div 2} \\ \sf &= \sf \frac{4}{1} + \frac{4}{5} \\ \sf &= \sf 4 + \frac{4}{5} \\ \sf &= \sf 4 \frac{4}{5} \end{aligned}} [/tex]ㅤNomor 14[tex] \boxed{\begin{aligned} \sf 5,2 &= \sf \frac{52}{10} \\ \sf &= \sf \frac{50 + 2}{10} \\ \sf &= \sf \frac{50}{10} + \frac{2}{10} \\ \sf &= \sf \frac{50 \div 10}{10 \div 10} + \frac{2 \div 2}{10 \div 2} \\ \sf &= \sf \frac{5}{1} + \frac{1}{5} \\ \sf &= \sf 5 + \frac{1}{5} \\ \sf &= \sf 5 \frac{1}{5} \end{aligned}} [/tex]ㅤNomor 15[tex] \boxed{\begin{aligned} \sf 3,75 &= \sf \frac{375}{100} \\ \sf &= \sf \frac{300 + 75}{100} \\ \sf &= \sf \frac{300}{100} + \frac{75}{100} \\ \sf &= \sf \frac{300 \div 100}{100 \div 100} + \frac{75 \div 25}{100 \div 25} \\ \sf &= \sf \frac{3}{1} + \frac{3}{4} \\ \sf &= \sf 3 + \frac{3}{4} \\ \sf &= \sf 3 \frac{3}{4} \end{aligned}} [/tex]ㅤNomor 16[tex] \boxed{\begin{aligned} \sf 5,64 &= \sf \frac{564}{100} \\ \sf &= \sf \frac{500 + 64}{100} \\ \sf &= \sf \frac{500}{100} + \frac{64}{100} \\ \sf &= \sf \frac{500 \div 100}{100 \div 100} + \frac{64 \div 4}{100 \div 4} \\ \sf &= \sf \frac{5}{1} + \frac{16}{25} \\ \sf &= \sf 5 + \frac{16}{25} \\ \sf &= \sf 5 \frac{16}{25} \end{aligned}} [/tex]ㅤNomor 17[tex] \boxed{\begin{aligned} \sf 8,25 &= \sf \frac{825}{100} \\ \sf &= \sf \frac{800 + 25}{100} \\ \sf &= \sf \frac{800}{100} + \frac{25}{100} \\ \sf &= \sf \frac{800 \div 100}{100 \div 100} + \frac{25 \div 25}{100 \div 25} \\ \sf &= \sf \frac{8}{1} + \frac{1}{4} \\ \sf &= \sf 8 + \frac{1}{4} \\ \sf &= \sf 8 \frac{1}{4} \end{aligned}} [/tex]ㅤNomor 18[tex] \boxed{\begin{aligned} \sf 10,24 &= \sf \frac{1.024}{100} \\ \sf &= \sf \frac{1.000 + 25}{100} \\ \sf &= \sf \frac{1.000}{100} + \frac{24}{100} \\ \sf &= \sf \frac{1.000 \div 100}{100 \div 100} + \frac{24 \div 4}{100 \div 4} \\ \sf &= \sf \frac{10}{1} + \frac{6}{25} \\ \sf &= \sf 10 + \frac{6}{25} \\ \sf &= \sf 10 \frac{6}{25} \end{aligned}} [/tex]ㅤNomor 19[tex] \boxed{\begin{aligned} \sf 4,15 &= \sf \frac{415}{100} \\ \sf &= \sf \frac{400 + 15}{100} \\ \sf &= \sf \frac{400}{100} + \frac{15}{100} \\ \sf &= \sf \frac{400 \div 100}{100 \div 100} + \frac{15 \div 5}{100 \div 5} \\ \sf &= \sf \frac{4}{1} + \frac{3}{20} \\ \sf &= \sf 4 + \frac{3}{20} \\ \sf &= \sf 4 \frac{3}{20} \end{aligned}} [/tex]ㅤNomor 20[tex] \boxed{\begin{aligned} \sf 6,275 &= \sf \frac{6.275}{1.000} \\ \sf &= \sf \frac{6.000 + 275}{1.000} \\ \sf &= \sf \frac{6.000}{1.000} + \frac{75}{1.000} \\ \sf &= \sf \frac{6.000 \div 1.000}{1.000 \div 1.000} + \frac{275 \div 25}{1.000 \div 25} \\ \sf &= \sf \frac{6}{1} + \frac{11}{40} \\ \sf &= \sf 6 + \frac{11}{40} \\ \sf &= \sf 6 \frac{11}{40} \end{aligned}} [/tex]

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Last Update: Mon, 12 Dec 22
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