Пошаговое объяснение:
a2=a1+d
a3=a1+2d
a4=a1+3d
a5=a1+4d
a6=a1+5d
a7=a1+6d
a8=a1+7d
a9=a1+8d
a10=a1+9d
a11=a1+10d
a12=a1+11d
a13=a1+12d
a14=a1+13d
a15=a1+14d
a16=a1+15d
a17=a1+16d
a18=a1+17d
a19=a1+18d
a20=a1+19d
Пошаговое объяснение:
a2=a1+d
a3=a1+2d
a4=a1+3d
a5=a1+4d
a6=a1+5d
a7=a1+6d
a8=a1+7d
a9=a1+8d
a10=a1+9d
a11=a1+10d
a12=a1+11d
a13=a1+12d
a14=a1+13d
a15=a1+14d
a16=a1+15d
a17=a1+16d
a18=a1+17d
a19=a1+18d
a20=a1+19d