Ответ:
5 , 2
Объяснение:
x1=8 x4= -1
x2 = x1+d = 8+d
x3= x1+2d = 8+2d
x4= x1+3d= 8+3d = -1
8+3d = -1
3d=-9
d= -3
x2 = 8+(-3) =5
x3= 8+2(-3)=2
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Ответ:
5 , 2
Объяснение:
x1=8 x4= -1
x2 = x1+d = 8+d
x3= x1+2d = 8+2d
x4= x1+3d= 8+3d = -1
8+3d = -1
3d=-9
d= -3
x2 = 8+(-3) =5
x3= 8+2(-3)=2