Question

Выполните действия: 1) (- 1,8 + 2,66 : (- 1,9)) : (- 0,01) : (-0,8); 2) (-17,15*0,6 + 19,98 : (-5,4)) : 0,1.

Answer 1

1) Let's solve the first expression: 1) (-1.8 + 2.66) : (-1.9) : (-0.01) : (-0.8).

To solve this expression, we can perform the operations in the following order: - First, calculate the division (-1.8 + 2.66) : (-1.9), which equals 0.4631578947. - Then, divide the result by -0.01, which gives us -46.31578947. - Finally, divide the result by -0.8, which equals 57.89473684.

Therefore, the value of the first expression is 57.89473684.

2) Now, let's solve the second expression: 2) (-17.15 * 0.6 + 19.98) : (-5.4) : 0.1.

To solve this expression, we can follow these steps: - First, calculate the multiplication -17.15 * 0.6, which equals -10.29. - Then, add 19.98 to the result, which gives us 9.69. - Next, divide the result by -5.4, which equals -1.7944444444. - Finally, divide the result by 0.1, which gives us -17.944444444.

Therefore, the value of the second expression is -17.944444444.

Please let me know if you need any further assistance!