2 член ----- 13
3 -------- 16
4 ---------19
5 ---------24
b2=b1+d=10+3=13
b3=b2+3=13+3=16
b4=b3+3=16+3=19
b5=b4+3=19+3=22
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2 член ----- 13
3 -------- 16
4 ---------19
5 ---------24
b2=b1+d=10+3=13
b3=b2+3=13+3=16
b4=b3+3=16+3=19
b5=b4+3=19+3=22