1. Sekolah Dasar
  2. Sekolah Menengah Pertama
  3. Sekolah Menengah Atas
  4. Mata Pelajaran
  5. Programming

Quizzzz sianggsoal ada di fto.. pake cara ya no ngasal

Berikut ini adalah pertanyaan dari ayumi1712 pada mata pelajaran Matematika untuk jenjang Sekolah Dasar

Quizzzz sianggsoal ada di fto.. pake cara ya no ngasal btw klo dah 500 followers aku bkal sering² bikin quiz​
Quizzzz sianggsoal ada di fto.. pake cara ya no ngasal btw klo dah 500 followers aku bkal sering² bikin quiz​

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

{\sf{1.~2\dfrac{1}{4}\times2\dfrac{2}{5}=\textsf{\textbf{5}}\dfrac{\textsf{\textbf{2}}}{\textsf{\textbf{5}}}}}

{\sf{2.~2\dfrac{2}{3}\times4\dfrac{1}{2}=\textsf{\textbf{12}}}}

{\sf{3.~3\dfrac{1}{3}\times1\dfrac{2}{6}=\textsf{\textbf{4}}\dfrac{\textsf{\textbf{4}}}{\textsf{\textbf{9}}}}}

{\sf{4.~1\dfrac{5}{7}\times2\dfrac{2}{3}=\textsf{\textbf{6}}\dfrac{\textsf{\textbf{6}}}{\textsf{\textbf{7}}}}}

 

Pembahasan

–› No. 1

\begin{aligned}{\sf{2\frac{1}{4}\times2\frac{2}{5}}}&={\sf{\frac{2\times4+1}{4}\times\frac{2\times5+2}{5}}}\\&={\sf{\frac{9}{4}\times\frac{12}{5}}}\\&={\sf{\frac{108}{20}}}\\&={\sf{\frac{27}{5}}}\\&={\sf{5\frac{2}{5}}}\end{aligned}

 

–› No. 2

\begin{aligned}{\sf{2\frac{2}{3}\times4\frac{1}{2}}}&={\sf{\frac{2\times3+2}{3}\times\frac{4\times2+1}{2}}}\\&={\sf{\frac{8}{3}\times\frac{9}{2}}}\\&={\sf{\frac{72}{6}}}\\&={\sf{\frac{12}{1}}}\\&={\sf{12}}\end{aligned}

 

–› No. 3

\begin{aligned}{\sf{3\frac{1}{3}\times1\frac{2}{6}}}&={\sf{\frac{3\times3+1}{3}\times\frac{1\times6+2}{6}}}\\&={\sf{\frac{10}{3}\times\frac{8}{6}}}\\&={\sf{\frac{80}{18}}}\\&={\sf{\frac{40}{9}}}\\&={\sf{4\frac{4}{9}}}\end{aligned}

 

–› No. 4

\begin{aligned}{\sf{1\frac{5}{7}\times2\frac{2}{3}}}&={\sf{\frac{1\times7+5}{7}\times\frac{2\times3+2}{2}}}\\&={\sf{\frac{12}{7}\times\frac{8}{2}}}\\&={\sf{\frac{96}{14}}}\\&={\sf{\frac{48}{7}}}\\&={\sf{6\frac{6}{7}}}\end{aligned}

[tex]{\sf{1.~2\dfrac{1}{4}\times2\dfrac{2}{5}=\textsf{\textbf{5}}\dfrac{\textsf{\textbf{2}}}{\textsf{\textbf{5}}}}}[/tex][tex]{\sf{2.~2\dfrac{2}{3}\times4\dfrac{1}{2}=\textsf{\textbf{12}}}}[/tex][tex]{\sf{3.~3\dfrac{1}{3}\times1\dfrac{2}{6}=\textsf{\textbf{4}}\dfrac{\textsf{\textbf{4}}}{\textsf{\textbf{9}}}}}[/tex][tex]{\sf{4.~1\dfrac{5}{7}\times2\dfrac{2}{3}=\textsf{\textbf{6}}\dfrac{\textsf{\textbf{6}}}{\textsf{\textbf{7}}}}}[/tex] Pembahasan–› No. 1[tex]\begin{aligned}{\sf{2\frac{1}{4}\times2\frac{2}{5}}}&={\sf{\frac{2\times4+1}{4}\times\frac{2\times5+2}{5}}}\\&={\sf{\frac{9}{4}\times\frac{12}{5}}}\\&={\sf{\frac{108}{20}}}\\&={\sf{\frac{27}{5}}}\\&={\sf{5\frac{2}{5}}}\end{aligned}[/tex] –› No. 2[tex]\begin{aligned}{\sf{2\frac{2}{3}\times4\frac{1}{2}}}&={\sf{\frac{2\times3+2}{3}\times\frac{4\times2+1}{2}}}\\&={\sf{\frac{8}{3}\times\frac{9}{2}}}\\&={\sf{\frac{72}{6}}}\\&={\sf{\frac{12}{1}}}\\&={\sf{12}}\end{aligned}[/tex] –› No. 3[tex]\begin{aligned}{\sf{3\frac{1}{3}\times1\frac{2}{6}}}&={\sf{\frac{3\times3+1}{3}\times\frac{1\times6+2}{6}}}\\&={\sf{\frac{10}{3}\times\frac{8}{6}}}\\&={\sf{\frac{80}{18}}}\\&={\sf{\frac{40}{9}}}\\&={\sf{4\frac{4}{9}}}\end{aligned}[/tex] –› No. 4[tex]\begin{aligned}{\sf{1\frac{5}{7}\times2\frac{2}{3}}}&={\sf{\frac{1\times7+5}{7}\times\frac{2\times3+2}{2}}}\\&={\sf{\frac{12}{7}\times\frac{8}{2}}}\\&={\sf{\frac{96}{14}}}\\&={\sf{\frac{48}{7}}}\\&={\sf{6\frac{6}{7}}}\end{aligned}[/tex]

Semoga dengan pertanyaan yang sudah terjawab oleh SunDaze dapat membantu memudahkan mengerjakan soal, tugas dan PR sekolah kalian.

Apabila terdapat kesalahan dalam mengerjakan soal, silahkan koreksi jawaban dengan mengirimkan email ke yomemimo.com melalui halaman Contact

Last Update: Wed, 16 Nov 22
<< Previous Post
Next Post >>