8^9=134217728
9^8=43046721
=>8^9 > 9^8
Tic mk nha
8^9=134217728
9^8=43046721
=>8^9 > 9^8
Tic mk nha
so sanh
31^11 va 17^14
2^91va 5^35
26^15 va 10^23
cac ban giai thich cach lam gium minh nhe
mik se tick cho
tu ba so doi 1 khac nhau va khac 0 ta lap dc tat ca cac so co 3 Chu so doi 1 khac nhau . Biet rang tong cac so lap dc la 2886 , hieu giua so lon nhat va so be nhat trong cac so lap dc la 495 . Cac chu so do la : .....;......;........(viet cac chu so theo gia tri tang dan )
GIUP MIH NHA MIH GAP LAM
1)trong dieu tra so thich cua 100 hoc sinh THCS nguoi ta thay co 80 hoc sinh thich hoat dong the duc ,65 hoc sinh thich hoat dong am nhac
a)neu co 5 ban khong thich cac the thao lan am nhac thi co bao nhieu ban thich cac the thao lan am nhac
b)co nhieu nhatco nhieu nhat bao nhieu hoc sinh thich ca the thao va am nhac?
c)co it nhat bao nhieu hoc sinh thich ca the thao va am nhac
2)tim hieu nguyen vong trong lop 6A co 45 hoc sinh thich tham gia ngoai khoa thay chu nhiem cho biet co 21 hoc sinh thich boi loi,18 hoc sinh thich bong ro va 26 hoc sinh thich choi co vua trong so cac hoc sinh do co 12 hoc sinh thich ca co vua va boi loi,9 hoc sinh thich ca bong ro va co vua 5 hoc sinh thich ca boi loi va bong ro,co 3 hoc sinh thich ca co vua boi loi va bong ro hoi
a)co bao nhieu hoc sinh khong thich mon nao
b)co bao nhieu hoc sinh chi thich 1 mon
cac ban co gang giai nhanh dum minh
So sanh 2 so A=10^8+2/10^8-1 va B=10^8/10^8-1.
Ai nhanh tay giai dc thi minh tick cho
1: tim 2 so tu nhien bit tong = 432 va ƯCLN cua chung = hieu cua chung = 36
2: co 1 so cuon sach . neu xep thanh tung chong 10 vua het thanh chong 12 thi thua 2 cuon thanh chong 18 cuon thi thua 8 cuon bit rang so sach trong khoang 715 den 1000 cuon . tinh so sach
AI LAM NHANH VA GIAI THICH RO THI DUOC 8 TICK
CO LEN NHE HIHI
So sanh 3^10+1 / 3^9+1 va 3^9+1 / 3^8+1
so sanh
a, 3^300 va 2^300
b, 125^5 va 25^7
c, 9^20 va 27^13
d, 3^54 va 2^81
e, 10^3 va 2^100
g, 5^40 va 620^10
tim cach giai thich nhe
cho so 65
a, hay viet them 2 chu so vao beb phai so 65 de dc so moi be nhat co 4 chu so cung chi het cho ca 3 va 5. so moi do la so nao?
b, Hay viet them 2 chu so vao ban trai so 65 de dc so moi lon nhat co 4 chu so cung chia het cho 5 va 9. so moi do la so nao?
Giup minh can gap , ai nhanh minh tick lun
nho viet ro loi giai nhe
tim x, biet:
(1/4x7+1/7x10+...+1/37x40)-x = 4/5
ghi ro cach lam mih tick nha