Ответ: -0.6.
Объяснение:
a1=3.6;
a2=3.4.
***********
d=a2-a1=3.4-3.6 = -0.2;
an=a1+(n-1)d =>
a22 = 3.6+(22-1)*(-0.2) = 3.6+21(-0.2) = 3.6-4.2 = -0.6.
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Ответ: -0.6.
Объяснение:
a1=3.6;
a2=3.4.
***********
d=a2-a1=3.4-3.6 = -0.2;
an=a1+(n-1)d =>
a22 = 3.6+(22-1)*(-0.2) = 3.6+21(-0.2) = 3.6-4.2 = -0.6.