1) (0,5*2)^8=1^8=1
2) (2*5)^5=10^5=100000
3)(1:3*6)^6=2^6=64
4) (0,125*8)^9=1^9=1
5)16:9^11*9:16^12=1^11*1^12=1
6)2^-4=1:2^-4=1:16
b)
52-5/6= (6*52-5) /6= (312-5)/6=307/6 = 51 7/6
d)
55-2 2/5= 55 -12/5 = (55*5-12)/5=(275-12)/5=263/5= 52 3/5
l)
53 7/8 - 9/10 = (431/8 – 9/10 =(431*10-9*8) / 80 =(4310-72)/80=4238/ 80= =52 70/80=52 7/8
p)
233 3/10- 1 11/15=2333/10 - 26/15=(2333*6-26*9)/90=(13998-234)/90= =13764/90=152 42/45
(Cos(18+7))^2+(sin(18+7))^2=1;
<span>- 4m</span>³<span>n</span>⁵ <span>* 5m</span>² <span>* n</span>⁴ = - 20m³⁺² n⁵⁺⁴ = - 20m⁵n⁹