2)
Объяснение:
8х+24+4х-8-6х-2=14-10х
2,8ab²:(0,7b)+1,3ab =
8 1/3n³m³:(1 3/5n²m²)-1,9n = 25/3n³m³ : (8/5n²m²)-19/10n = 25/3n³m³ : (8n²m²/5)-19/10n = 25/3n³m³ : (5/8n²m²)-19/10n = 1/30n*(625/4m-57) = 1/30n * 1/4 *(624m - 228) = 1|200n(625m - 228)
2)
Объяснение:
8х+24+4х-8-6х-2=14-10х
Объяснение:
2,8ab²:(0,7b)+1,3ab =
8 1/3n³m³:(1 3/5n²m²)-1,9n = 25/3n³m³ : (8/5n²m²)-19/10n = 25/3n³m³ : (8n²m²/5)-19/10n = 25/3n³m³ : (5/8n²m²)-19/10n = 1/30n*(625/4m-57) = 1/30n * 1/4 *(624m - 228) = 1|200n(625m - 228)