85 . 23 = (23)5 . 23 =215.23 = 215+3 = 218
8 lũy thùa 5 * 2 lũy thừa 3 = 8 mũ 5 +mũ3= 8 lt 8
trong cac so sau , so nao la luy thua cua 1 so tu nhien voi so mu lon hon 1 gồm: 8, 10, 16, 64, 125, 144, 1000 (chu y rang nhung so tu nhien co nhieu cach viet duoi dang luy thua?
viet gon cac tich sau bang cach dung luy thua:2.2.5.5.2
viet ket qua duoi 1 luy thua:
27*81
8 mu 5 nhan 2 mu 3
ai biet cach nhan hai luy thua khac co so khac so mu chi minhvoi cam on
1)viet cac bieu thuc sau duoi dang mot luy thua bang nhieu cach neu co
a)410.815
b)82.253
c)(2a3x2y).(8a2x3y4).(16a3x3y3)
cac ban giup minh nha !!
trong cac so sau ,so nao la luy thua cua mot so tu nhien voi so mu lon hon { chu y rang co nhung so co nhieu cach viet doi dang luy thua
So sanh hai luy thua
102 ........210
giai thich cach lam
viet gon cac tich bang cach dung luy thua : 6.6.6.3.2 ; 2.2.2.3.3 ; 100.10.10
Bai1 : Viet ket qua moi phep tinh sau duoi dang mot luy thua
118 : 113 1711 : 179
43 : 22 a5 : a ( a ( dau bang va 1 vet cheo) 0)
Bai 2: Tinh bang hai cach
Cach 1 : Tinh so bi chia, tinh so chia roi tinh thuong
Cach 2 : Chia hai luy thua cung co so roi tinh ket qua
a) 36 : 34 b) 57 : 55
