СРОЧНООО!!!! дописать реакции: 10B5+1n0-->?+4He2; 55Mn25+1H1-->?+1n0; 14N7+?-->17O8+1p1; 14N7+?-->11B5+4He2;
1) 7/3Li 2) 55/26 Mn 3) 4/2 He 4) 1/0n