.....................................
B1= -25 . b2=-20
q= -20/-25 =0.8
b4= -25 * 0.8^4-1=-25*0.8^3=-25*0.512= -12.8
<span>Ответ: -12,8</span>
50:8=6 (2) 8×6=48+2=50
21:4=5 (1) 4×5=20+1=21
10:16=0 (10) 10×0=0+10=10
34:3=11 (1) 11×3+1=34
47:4=11 (3) 11×4+3=47
58:5=11 (3) 11×5+3=58
92:8=11 (4) 11×8+4=82
70:3=23 (1) 23×3+1=70
356, 357, 358, 359, 360, 361