Question

найдите значения выражения (5/12+3/8)×12/19
6/7×(11/18-5/12)

Answer 1

1) 5/12 + 3/8 = 10/24 + 9/24 = 19/24
2) 19/24 • 12/19 = 1/2
Ответ 1/2
•••••••••••
1) 11/18 - 5/12 = 22/36 - 15/36 = 7/36
2) 6/7 • 7/36 = 1/6
Ответ 1/6

Answer 2

$(frac{5}{12}+ frac{3}{8}) * frac{12}{19} =frac{19}{24}+ frac{12}{19}= frac{649}{456} = 1frac{193}{456}$·