21/30+3/30-8/30= 61/200-(35/200-19/200)=21/65-16/65+13/65=21/30-(1/30+9/30)=17/19-(5/19+2/19)=3/10+5/10-7/10= - вопрос №170794082130330830612003520019200216516651365213013093017 от ruzannakokh 12.10.2021 07:00

Question

Математика: 21/30+3/30-8/30= 61/200-(35/200-19/200)=21/65-16/65+13/65=21/30-(1/30+9/30)=17/19-(5/19+2/19)=3/10+5/10-7/10=​

ruzannakokh · Answer

1) 16/302) 45/2003) 18/654) 11/305) 10/196) 1/10...

21/30+3/30-8/30= 61/200-(35/200-19/200)=21/65-16/65+13/65=21/30-(1/30+9/30)=17/19-(5/19+2/19)=3/10+5/10-7/10=​