Question

13:7 – 8.518.4 + 6.4​

Answer 1

Ответ:

13*7-8*5=51

18×4+6×4=96

Пошаговое объяснение:

13*7=91

8*5=40

91-40=51

18*4=72

6*4=24

72+24=96

Answer 2

To solve the given mathematical expression, let's follow the order of operations: parentheses first, then multiplication and division, and finally addition and subtraction.

$13 \div 7 - 8.518 + 6.4$

Step 1: Perform the division: $1.85714 - 8.518 + 6.4$

Step 2: Perform the subtraction and addition in order: $-6.66086 + 6.4$

Step 3: Add the two numbers: $-0.26086$

So, $13 \div 7 - 8.518 + 6.4$ is approximately equal to $-0.26086$.