А) 14, 21, 28, 35, 42.
б) 12,15, 18, 21, 24, 27, 30, 33, 36, 39, 42.
в) 18, 27, 36.
г) 15, 20, 25, 30, 35, 40.
д) 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43
Ответ *&&**^//$##$%_££¥¥&^$#$¥
X+7/3=12
x=12:3
x=4
x=4×7
x=28
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689+10+1=700 возможны другие числа