Lengkapilah pecahan - pecahan senilai berikut dengan bilangan yang tepat. a.2/5 = ...../45 = 28/.... b.12/18 = ..../24 = 68/... c. .../32 = 18/48 = 48/.... d. .
Matematika
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Pertanyaan
Lengkapilah pecahan - pecahan senilai berikut dengan bilangan yang tepat.
a.2/5 = ...../45 = 28/....
b.12/18 = ..../24 = 68/...
c. .../32 = 18/48 = 48/....
d. ..../24 = 35/..... = 60/72
Pakai cara..ya
a.2/5 = ...../45 = 28/....
b.12/18 = ..../24 = 68/...
c. .../32 = 18/48 = 48/....
d. ..../24 = 35/..... = 60/72
Pakai cara..ya
1 Jawaban
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1. Jawaban teanon
a. 2/5 = 18/45 (dikali 9) = 28/70 (dikali 14)
b. 12/18 >>> kalau disederhanakan lagi menjadi 2/3 (masing-masing dibagi 6) maka,
12/18 = 16/24 (2/3 masing-masing dikali 8) = 68/102 (2/3 masing-masing dikali 34)
c. 18/48 kalau disederhanakan menjadi 3/8 maka,
12/32 (3/8 masing-masing dikali 4) = 18/48 = 48/128 ( 3/8 masing-masing dikali 16)
60/72 kalau disederhanakan menjadi 5/6 (masing-masing dibagi 12) maka,
d. 20/24 (5/6 masing-masing dikalikan 4) = 35/42 (5/6 masing-masing dikalikan 7) = 60/72