Решите дроби 1целая 7/8+2целой5/16 8целых-5/12 - вопрос №6089440178251685124123 от Xidirova04 18.06.2021 10:05

Question

Математика: Решите дроби 1целая 7/8+2целой5/16 8целых-5/12 4- 1 2/3

Xidirova04 · Answer

1 7/8 + 2 5/16 = 15/8 + 37/16 =(15 × 2 + 37 × 1)/16 = 30/16 + 37/16 = 67/16 = 4 3/168 - 5/12 =8/1-5/12=(8 × 12 - 5 × 1)/12 = 96/12 - 5/12 = 91/12 = 7 7/12
4 - 1 2/3 = 4/1 - 5/3 =(4 × 3 - 5 × 1)/3 = 12/3 - 5/3 = 7/3 = 2 1/3