Найди правило по которому составлен каждый ряд чисел 3, 8, 15, , ,48, , 80 2,5,4,7,8,9, , ,32
Viki Tatti [26]
1. <span><em>3</em></span> + 5 = <span><em>8</em></span>
8 + 7 = <span><em>15 </em></span>
15 + 9 = <span><em>24</em></span>
24 + 11 = <span><em>35</em></span>
35 + 13 = <span><em>4</em><em>8</em></span>
48 + 15 = <span><em>63</em></span>
63 + 17 = <span><em>80</em></span>
1,53х+0,47х=15
2х=15
х=15:2
х=7.5
3.28х+4.72х=17
8х=17
х=17:8
х=2.125
84х-44.6х=35
40х=35
х=35:40=0.875
39.49х+10.51х=18
50х=18
х=18:50=0.36
-5/16 + (-7/16) = -(5/16 + 7/16)= -12/16=-3/4=-0,75