Вычислите дроби. 1/4+4/7+9/28 1/5+3/10+7/20 3/20+7/30+2/40 - вопрос №23334291447928153107203207302401720233011 от gmailua 14.06.2020 11:37

Question

Математика: Вычислите дроби. 1/4+4/7+9/28 1/5+3/10+7/20 3/20+7/30+2/40 17/20+23/30+11/60

gmailua · Answer

1/4+4/7+9/28=7+16+9/28=32/28=8/71/5+3/10+7/20=4+6+7/20=17/203/20+7/30+2/40=18+28+6/120=52/12017/20+23/30+11/60=51+46+11/60=108/60=54/30...