Question

aflati pridusul dintre suma si diferenta numerelor a si b daca:
a) a=3/4,b=5/8


b) a = ¹ 7/15,b=4/5


c)a=¹ 1/4,b=¹ 7/12
​

Answer 1

Bună seara! (✯ᴗ✯)

⌜✎⌟ Răspuns:

⠀〖Ⓐ〗a + b = 11 / 8

⠀⠀ ⠀⠀⠀a - b = 1 / 8

⠀⠀⠀⠀⠀ a · b = 11 / 64

⠀〖Ⓑ〗a + b = 19 / 15

⠀⠀⠀⠀⠀ a - b = ( - 1 / 3 )

⠀⠀⠀⠀⠀ a · b = ( - 19 / 45 )

⠀〖Ⓒ〗a + b = 5 / 6

⠀⠀⠀⠀⠀ a - b = ( - 1 / 3 )

⠀⠀⠀⠀⠀ a · b = ( - 15 / 18 )

⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

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