A=2^10.3^10-2^10.3^9/2^9.3^10
B=5^11.7^12+7^11.5^11/5^12.7^12+9.5^11.7^11
a,(2^10.3^10-2^10.3^9) : (2^9.3^10)
b,(11.3^22.3^7-9^15) : (2.3^14)^2
c,(5^11.7^12+5^11.7^12) : (5^12.7^11+9.5^11.7^11
. ((((^ là mũ)))))🍭
Tìm x biết :
4/x=8/6
3/x-5=-4/x+2
X/-2=-8/x
Rút gọn các phân số
2^4.5^2.11^2.7/2^3.5^3.7^2.11
2^10.3^10-2^10.3^9/2^9.3^10
5^11.7^12+5^12.7^11/5^12.7^12+9.5^11.7^11
2^10.3^10-2^10.3^9/2^9.3^10
5^12.7^12+9.5^11.7^11
Rút gọn từ từ nha
bài 1 tính
5.4^12.9^9-4.3^20.8^9/5.2^2^29.9^16-7.2^29.27^6/5^11.7^12+5^11.7^11/5^12.7^12+9.5^15.7^11
5^11.7^12+7^11.5^11/5^12.7^12+9.5^11.7^11 =?
5^11.7^12+7^11.5^11/5^12.7^12+9.5^11.7^11
rút gọn:
-11^5.13^7/11^5.13^8
2^10.3^10-2^10.3^9/2^9.3^10
Rút gọn biêu thức
A=3^2.45^4-15^3.9^3/3^3.45^4-5^4.3^10
B=6^30.3^11.7-2^31.5.3^40/2^28.17.3^38-6^27.3^11
C=35.27^8+70.9^11/15.81^6-60.3^20
D=4^6.6^7-9^3.8^6/12^5.2^8+18^3.32^3
