1/4+3/5= 9/11-2/5= 3/28+5/14= 3/8+1/6= с объяснениями - вопрос №143591125328514381614846331 от Dmitr55 03.12.2020 21:11

Question

Математика: 1/4+3/5= 9/11-2/5= 3/28+5/14= 3/8+1/6= с объяснениями

Dmitr55 · Answer

1/4 + 3/5 = 5/20+12/20=17/209/11 - 2/5 = 45/55 - 22/55=12/5513/16 - 9/32 = 26/32 - 9/32=17/323/28 + 5/14 = 3/28 + 10/28=13/2814/15 - 7/10 = 28/30 - 21/30=7/303/8 + 1/6 = 18/48 + 8/48 = 24/48=1/2...