3) ПОЖАЛУЙСТА дам 25 баллов...

DiasKz2006 @DiasKz2006

March 2022 2 9 Report

Найди значения вырожений 3 целых 1/8 : 15/16 - 1/4
2) 1 целых 9/35 : (1 целых 1/5 + 2/3) ПОЖАЛУЙСТА дам 25 баллов

CubediseChannel 1)3 целых 1/8 = 3 целым 2/16 = 50/16
50/16 разделить на 15/16 равно 50/16 * 16/15 = 50/15 = 3 целых 5/15 = 3 целых 1/3
3 целых 1/3 - 1/4 = 3 целых 1/12

2)1 целая 1/5 + 2/3 = 1 целая 13/15
1 целых 9/35 : 1 целая 13/15 = 33/49

23 votes Thanks 48

alisher1221 3 1/8 ÷ 15/16 - 1/4
1) 3 1/8 = 25/8
25/8÷15/16=25/8×16/15 = 25×16/8×15= 400/120 =40/12 = 10/3
2) 10/3 - 1/4 = 10×4-1×3/12= 40-3/12=37/12 = 3 1/12

1 9/35 ÷ (1 1/5 + 2/3)
1) 1 1/5+2/3 = 6/5+2/3 = 6×3+2×5/15= 18+10/15=28/15 или 1 13/15
2) 1 9/35 ÷ 1 13/15 = 44/35 ÷ 28/15 = 44/35 × 15/28 = 44×15/35×28 = 660/875 = 132/175

35 votes Thanks 53

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