September 2018 2 45 Report
1.Dari 5 kali ulangan rata ratanya 7,6 dan rata rata 4 kali ulangan berikutnya 8 berapa nilai rata rata 9 kali ulangan?
2.Faktor persekutuan dari 30, dan 45 adalah..
A.1,3,5,15
B.3,5,9,15
C.3,5,10,15
D.3,5,7,10
3.kelipatan persekutuan dari 6 dan 9 yg kurang dari 100 adalah...
A.6,18,12,36,24
B.9,18,27,36,45
C.18,36,54,72,90
D.6,12,18,36,72.
Tolong bantu ya ...
Yg nomor satu pake cara ya..
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