Question

Выполните действия: 1) 3 1/4+6,4-7,5 2) 2/11*(14 1/3+2 1/6) 3) 16,5:2,745-1/19*57 ПОМОГИТЕ НЕ ПРОХОДИТЕ МИМО!!!!

Answer 1

1) 7.75 + 6.4 - 7.5 = 6.65
2) 2/11 * 16 3/6 = 2/11 * 16 1/2 = 2/11 * 33/2 = 3/1= 3
3) 16.5 : 2.745 - 57/19 = 16.5 : 2.745 - 3 = 33/2 : 149/200 - 3 = 33/2 * 200/149 - 3 = 3300/149 - 3 = 3300-447/149 = 2853/149= 19 22/149

Answer 2

1) To solve the expression 3 + 1/4 + 6.4 - 7.5, we can follow the order of operations (PEMDAS/BODMAS) which stands for Parentheses/Brackets, Exponents/Orders, Multiplication/Division, and Addition/Subtraction.

First, let's simplify the expression step by step:

3 + 1/4 + 6.4 - 7.5 = 3.25 + 6.4 - 7.5 = 9.65 - 7.5 = 2.15

Therefore, the value of the expression 3 + 1/4 + 6.4 - 7.5 is 2.15.

2) To solve the expression 2/11 * (14 + 1/3 + 2 + 1/6), we can again follow the order of operations.

Let's simplify the expression step by step:

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