Dengan SYARAT :
-Jawab Dengan Benar
-TIdak Boleh Ngasal
-Pakai Cara
-Jawab Sesuai urut
-Jangan Ambil Point aja
Tidak Memenuhi syarat = Report
Jawaban:
1/2 - 1/4 + 1/8
4/8 - 2/8 + 1/8
3/8
....
15/16 - 7/8 + 5/15
15/16 - 14/16 + 1/3
1/16 + 1/3
3/48 + 16/48 = 19/48
...
1/4 - 2/15 × 3/18
1/4 - 2/15 × 1/6
1/4 - 2/90
1/4 - 1/45
45/180 - 4/180
41/180
....
4/7 + 8/9 × 10/14
4/7 + 8/9 × 5/7
4/7 + 40/63
36/63 + 40/63
76/63 = 1 13/36
.....
8/9 - 3/5 : 6/5
8/9 - 3/5 × 5/6
8/9 - 1/2
16/18 - 9/18
7/18
.....
11/13 + 9/14 × 7/8
11/13 + 9/16
176/208 + 117/208
293/208 = 1 85/208
....
7/14 - 3/15 × 12/24
1/2 - 1/5 × 1/2
1/2 - 1/10
5/10 - 1/10 = 4/10 = 2/5
Penjelasan dengan langkah-langkah:
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[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Jawaban Nomor 1 :
[tex] \frac{1}{2} - \frac{1}{4} + \frac{1}{8} \\ [/tex]
[tex] = \frac{4}{8 } - \frac{2}{8} + \frac{1}{8} \\ [/tex]
[tex] \tt \gray {= \frac{3}{8} } \\ [/tex]
--
[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Jawaban Nomor 2 :
[tex] \frac{15}{16} - \frac{7}{8} + \frac{5}{15} \\ [/tex]
[tex] = \frac{15}{16} - \frac{14}{16} + \frac{1}{3} \\ [/tex]
[tex] = \frac{1}{16} + \frac{1}{3} \\ [/tex]
[tex] = \frac{3}{48} + \frac{16}{48} \\ [/tex]
[tex] \sf \purple {= \frac{19}{48} } \\ [/tex]
--
[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Jawaban Nomor 3 :
[tex] \frac{1}{4} - \frac{2}{15} \times \frac{3}{18} \\ [/tex]
[tex] = \frac{1}{4} - \frac{2}{15} \times \frac{1}{6} \\ [/tex]
[tex] = \frac{1}{4 } - \frac{2}{90} \\ [/tex]
[tex] = \frac{1}{4} - \frac{1}{45} \\ [/tex]
[tex] = \frac{45}{180} - \frac{4}{180} \\ [/tex]
[tex] \tt \blue {= \frac{41}{180} } \\ [/tex]
--
[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Jawaban Nomor 4 :
[tex] \frac{4}{7} + \frac{8}{9} \times \frac{10}{14} \\ [/tex]
[tex] = \frac{4}{7} + \frac{8}{9} \times \frac{5}{7} \\ [/tex]
[tex] = \frac{4}{7} + \frac{40}{63} \\ [/tex]
[tex] = \frac{36}{63} + \frac{40}{63} \\ [/tex]
[tex] \tt \green {= \frac{76}{63} = 1 \frac{13}{36} } \\ [/tex]
--
[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Jawaban Nomor 5 :
[tex] \frac{8}{9} - \frac{3}{5} \div \frac{6}{5} \\ [/tex]
[tex] = \frac{8}{9} - \frac{3}{5} \times \frac{5}{6} \\ [/tex]
[tex] = \frac{8}{9} - \frac{1}{2} \\ [/tex]
[tex] = \frac{16}{18} - \frac{9}{18} \\ [/tex]
[tex] \bf \orange { = \frac{7}{18} } \\ [/tex]
--
[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Jawaban Nomor 6 :
[tex] \frac{11}{13} + \frac{9}{14} \times \frac{7}{8} \\ [/tex]
[tex] = \frac{11}{13} + \frac{9}{16} \\ [/tex]
[tex] = \frac{176}{208} + \frac{117}{208} \\ [/tex]
[tex] \tt \red { = \frac{293}{208} = 1 \frac{85}{208} } \\ [/tex]
--
[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Jawaban Nomor 7 :
[tex] \frac{7}{14} - \frac{3}{15} \times \frac{12}{24} \\ [/tex]
[tex] = \frac{1}{2} - \frac{1}{5} \times \frac{1}{2} \\ [/tex]
[tex] = \frac{1}{2} - \frac{1}{10} \\ [/tex]
[tex] = \frac{5}{10} - \frac{1}{10} \\ [/tex]
[tex] \sf \pink {= \frac{4}{10} = \frac{2}{5} } \\ [/tex]
[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
