Question

А (8-43/7)+2 8/11= Б 11 1/7-(5 4/7+3 6/7) =

Answer 1

Ответ:
А) 339/77
Б) 3

Answer 2

Let's solve each expression step by step:

1. А: (8 - 43/7) + 2 8/11

Step 1: Perform the arithmetic inside the parentheses first. 8 - (43/7) = (56/7) - (43/7) = (56 - 43)/7 = 13/7

Step 2: Add the whole number and the mixed number. 2 + 8/11 = 22/11 + 8/11 = (22 + 8)/11 = 30/11

Step 3: Add the results from step 1 and step 2. (13/7) + (30/11) = (143/77) + (210/77) = (143 + 210)/77 = 353/77

So, А = 353/77.

2. Б: 11 1/7 - (5 4/7 + 3 6/7)

Step 1: Add the fractions inside the parentheses. (5 4/7) + (3 6/7) = (5 + 3) + (4/7 + 6/7) = 8 + (10/7) = 8 + 1 3/7 = 9 3/7

Step 2: Subtract the result from step 1 from the whole number. 11 1/7 - 9 3/7 = (11 - 9) + (1/7 - 3/7) = 2 - 2/7 = 14/7 - 2/7 = 12/7

So, Б = 12/7.

To summarize: А (8 - 43/7) + 2 8/11 = 353/77 Б 11 1/7 - (5 4/7 + 3 6/7) = 12/7