kak bantu no 9 dan 10 makasih.... Question from @zefanyaoktagustiani

zefanyaoktagustiani @zefanyaoktagustiani

September 2022 2 4 Report

kak bantu no 9 dan 10 makasih

NadiyaPetrofa

Penjelasan dengan langkah-langkah:

= 1 -3/4 + 0,25

= 1 - 0,75 + 0,25

= 0,25 + 0,25

= 0,50

= 0,5

10.

= 1 1/5 + 1/8 - 0,325

= 1,2 + 0,125 - 0,325

= 1,325 - 0,325

= 1,000

= 1

1 votes Thanks 1

xcvi

Jawab:
(9.) = ½
(10) = 1

Penjelasan dengan langkah-langkah:

$(9.)~~1-\frac{3}{4}+0,25=\\\\1-\frac{3}{4}+\frac{25}{100}=\\\\1-\frac{3}{4}+\frac{25\div25}{100\div25}=\\\\1-\frac{3}{4}+\frac{1}{4}=\\\\1-\frac{2}{4}=1-\frac{2\div2}{4\div2}=\\\\1-\frac{1}{2}=\frac{2}{2}-\frac{1}{2}\\\\=\frac{1}{2}$

$(10.)~~1\frac{1}{5}+\frac{1}{8}-0,325=\\\\1+(\frac{1}{5}+\frac{1}{8}-\frac{325}{1000})=\\\\1+(\frac{1\times8}{5\times8}+\frac{1\times5}{8\times5}-\frac{325\div25}{1000\div25})=\\\\1+(\frac{8}{40}+\frac{5}{40}-\frac{13}{40})=\\\\1+\frac{8+5-13}{40}=1+\frac{13-13}{40}=1+\frac{0}{40}\\\\=1$

(Xcvi)

2 votes Thanks 1

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