<span><span>n=0 => 2*0-1= -1
n=1 => 2*1-1= 1
n=2 => 2*2-1=3
n=3 => 3*2-1=5
n=4 => 2*4-1=7
n=5=> 2*5-1=9</span></span>
1) |-5,2 + 1,8| = 3.4
|-2/9 - 5/9| = 7/9
2)
a) -1/4 * (-6.94) * 0.4 = 0.694
b) 11/8 * (-3,47) * (-8) = 11*3.47 = 38.17
c) (-0.001) * (-5.4) * 50 * (-2) = (-0.1) * 5.4 = -0.54
3)
A)86.719*64.9 - 86.719*164.9 = 86.719*(64.9-164.9) = -8671.9
B) 2.3*(-1/2) + 3.7*(-1/2) = (-1/2)*(2.3+3.7) = -2.5
C) ( 3/4 - 1/9 + 2/3)*36 = 27 - 4 + 24 = 47
1) 8 * 3 = 24 собрали со второго участка 2)24+8 =32кг собрали с двух участков
3 в степени х/3= 243/3
ответ =5