Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
a) $3^8:3^6=3^{8-6}=3^2$
$19^7:19^3=19^{7-3}=19^4$
$2^{10}:8^3=2^{10}:(2^3)^3=2^{10}:2^9=2^{10-9}=2^1$
$12^7:6^7=(12:6)^7=2^7$
$27^5:81^3=(3^3)^5:(3^4)^3=3^{15}:3^{12}=3^{15-12}=3^3$
b) $10^6:10=10^{6-1}=10^5$
$5^8:25^2=5^8:(5^2)^2=5^8:5^4=5^{8-4}=5^4$
$4^9:64^2=4^9:(4^3)^2=4^9:4^6=4^{9-6}=4^3$
$2^25:32^4=2^{25}:(2^5)^4=2^{25}:2^{20}=2^{25-20}=2^5$
$18^3:9^3=(18:9)^3=2^3$
\(\cdot3^8:3^6=3^{8-6}=3^2\)
\(\cdot19^7:19^3=19^{7-3}=19^4\)
\(\cdot2^{10}:8^3=2^{10}:\left(2^3\right)^3=2^{10}:2^9=2\)
\(\cdot12^7:6^7=\left(12:6\right)^7=2^7\)
\(\cdot27^5:81^3=\left(3^3\right)^5:\left(3^4\right)^3=3^{15}:3^{12}=3^3\)
\(\cdot10^6:10=10^{6-1}=10^5\)
\(\cdot5^8:25^2=5^8:\left(5^2\right)^2=5^8:5^4=5^4\)
\(\cdot4^9:64^2=4^9:\left(4^3\right)^2=4^9:4^6=4^3\)
\(2^{25}:32^4=2^{25}:\left(2^5\right)^4=2^{25}:2^{20}=2^5\)
\(18^3:9^3=\left(18:9\right)^3=2^3\)
a, \(3^4.5^4=\left(3.5\right)^4=15^4\)
b, \(8^3.32^4=\left(2^3\right)^3.\left(2^5\right)^4=2^9.2^{20}=2^{29}\)
c, \(49^2.7^5=\left(7^2\right)^2.7^5=7^4.7^5=7^9\)
d, \(2^3.4^3.16^4=2^3.\left(2^2\right)^3.\left(2^4\right)^4=2^3.2^6.2^{16}=2^{25}\)
Chúc bạn học tốt!!!
a) \(3^4.5^4=\left(3.5\right)^4=15^4\)
b) \(8^3.32^4=\left(2^3\right)^3.\left(2^5\right)^4=2^9.2^{20}=2^{29}\)
c) \(49^2.7^5=\left(7^2\right)^2.7^5=7^4.7^5=7^9\)
d) \(2^3.4^3.16^4=2^3.\left(2^2\right)^3.\left(2^4\right)^4=2^3.2^6.2^{16}=2^{25}\)
Chúc học tốt!!!
b1
a.7^3
b.7^3*5^3
c.2^5*3^3*4^2
dx^3 *y^3
mình nha mình làm b1 thui
a) 7.7.7 = 73
b) 7.35.7.25 = 53 x 73
c) 2.3.8.12.24 = 29 x 33
d) x.x.y.y.x.y.x = x4 . y3
Bài 2:Viết kết quả dưới dạng lũy thừa.
a) 35 : 37 = 3-2
b) 125 : 53 = 11
c) 75 : 343 = 72
d) a12 : a8 = a4
a) 37:35= 32
b)46 :46= 40
C) a4 : a= a3
d) 98:32 =314
e) 85:23 = 212
f) 37:27 = 34
\(a,3^7:3^5=3^2\)
\(b,4^6:4^6=4^0\)
\(c,a^4:a=a^3\)
\(d,9^8:3^2=9^4\)
\(e,8^5:2^3=8^{-7}\)
\(f,3^7:27=3^4\)
a) 7.7.8.8 = 72.82 = (7.8)2 = 562
b) 9.10.12.16 = 32.2.5.22.3.24 = 33.26.5 = (3.22)3.5 = 123.5
c) 493:74 = (72)3:74 = 76 : 74 = 72