Răspuns :
126-[(63*2/6+109)*(75/25+21/3)]/10=
=126-[(126/6+109)*(3+7)]/10=
=126-[(21+109)*10]/10=
=126-(130*10)/10=
=126-130=-4
=126-[(126/6+109)*(3+7)]/10=
=126-[(21+109)*10]/10=
=126-(130*10)/10=
=126-130=-4
126 - [(63x2:6+109)x(75:25+21:3)] :10=
126- [(21+109)x(3+7)]:10=
126-[130x10]:10=
126- 1300:10 =
126-130= -4
126- [(21+109)x(3+7)]:10=
126-[130x10]:10=
126- 1300:10 =
126-130= -4