50+(40-29)+13 (50++13) 50+(40-29+13) 72-(39+26)-6 - вопрос №690231450402913501350402913723926672392667239266 от etre 23.03.2022 18:26

Question

Математика: 50+(40-29)+13 (50++13) 50+(40-29+13) 72-(39+26)-6 (72-39)+26-6) 72-(39+26-6)

etre · Answer

1) 50+(40-29)+13=50+11+13=50+24=742) (50+40)-(29+13)=90-42=483) 50+(40-29+13)=50+(11+13)=50+24=744) 72-(39+26)-6=72-65-6=7-6=15) (72-39)+26-6=33+26-6=59-6=536) 72-(39+26-6)=72-(65-6)=72-59=13...