b= 6^30.3^11.7-2^31.5.3^40/2^28.17.3^38-6^27.3^11
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
rút gon biểu thức 2^31.5.3^38)/2^28.17.3^38-6^27.3^11
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
Giúp tớ vs Tính nhanh a) -3/25.4/17.5/-3.17/2 B)-8/15.13/16:13/30 C)3/11.2/9.-8/33+3/11.7/9 D)-11/25.2/3- -1/6+ -2/3.14/15(âm1/6)
B=5/6+6 5/6.(11 94/1591-6 38/1517):8 11/40
a)2^10.3^10:2^10.3^9/2^9.3^10.
b)5^11.7^12+5^11.7^11/5^12.7^12+9.5^11.7^11
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
Tính nhanh : -5/11.7/11-5/11.8/11+-6/11