2𝑥3+6=−10
Tính x
6/4*7 + 6/7*10 + 6/10*13 +... + 6/97*100
S= 10/1*6+10/6*11+.....+10/101*106
S = 10/1*6+10/6*11+10/11*16+...+1/111*106
A=6...6(10 c/s 6)*3...3(10 c/s 3)
-10/3 + 13/10-1/6+7/10
1-20/6 +39/30-4/24+34/50
15/24-6/26+28/48-30/39+10/24
-5/10+12/28-3/27-7/18+20/35
so sánh P=6^10/1+6+6^2+...+6^9 và Q=8^10/1+8+8^2+...+8^9
bài 2: viết thành dạng lũy thừa các tích sau:
a) 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2
b) 10 . 10 . 10 . 10 . 10
c) 8 . 8 . 8 . 6 . 6 . 6 . 7 . 7 . 7
d) a . a . a . a . a . a . a . a . a
e) 10000 . 10 . 10 . 10 . 100
f) 2x . 2x . 2x . 2x . 2x
nhanh nha, mik tick cho
A=6...6(10 c/s 6)*3..3(10 c/s 3)