7>6.99
0.89<1.5
0.00041<0.0005
Из условия Bn+1=-4*Bn находим знаменатель прогрессии q=Bn+1/Bn=-4. Тогда сумма первых шести членов S6=B1*(q⁶-1)/(q-1)=-1*((-4)⁶-1)/(-4-1)=1/5*(4⁶-1)=819. Ответ: 819.
64/2=32и потом умножение на 2 =64
Найди 2%от:10,300,0.8,50,7000,0.2,60,3,400,9000,1.4,30,900,8,4000,0.6,700,2,3000,40,0.1,2000,60,1,500 Найди 10% от:300,5,0.2,80,
Сергей Г
[N-ое число] : 100% * [N-ый %]
10 : 100 * 2 = 0.2
300 = 6
0.8 = 0.016
50 = 0.1
7000 = 140
0,2 = 0.004
60 = 0.12
3 = 0.06
400 = 8
9000 = 180
1.4 = 0.028
30 = 0.06
900 = 18
8 = 0.16
4000 = 80
0.6 = 0.012
700 = 14
2 = 0.004
3000 = 60
40 = 0.8
0.1 = 0.002
2000 = 40
60 = 1.2
1 = 0.02
500 = 10
300 : 100 * 10 = 300 : 10 = 30
5 = 0,5
0,2 = 0,02
80 = 8
32 = 3,2
6 = 0.6
0.8 = 0.08
50 = 5
200 = 20
1 = 0.1
16 = 1.6
0.3 = 0.03
100 = 10
4 = 0.4
20 = 2
5.8 = 0.58
800 = 80
7 = 0.7
0.1 = 0.01
6 = 0.6
1000 = 100
40 = 4
2.9 = 0.29
4 : 100 * 5 = 0,25
300 = 15
0,2 = 0,01
80 = 4
1,6 = 0,08
100 = 5
6 = 0,3
0,4 = 0,02
20 = 1
1 = 0,05
0,8 = 0,04
500 = 25
60 = 3
1,2 = 0,06
0,04 = 0.002
8 = 0.4
0.5 = 0.025
40 = 2
1.8 = 0.09
200 = 10
1.4 = 0.07
700 = 35
0.6 = 0.03
2 = 0.1
1000 = 50