Question

-​1,7.2,3+1,7.(-3,7)-1,7.3-0,17:0,1

Answer 1

-1,7 . 2,3 + 1,7 . (-3,7) - 1,7 . 3 - 0,17 : 0,1

= 1,7 . (-2,3) + 1,7 . (-3,7) - 1,7 . 3 - 0,17 . 10

= 1,7 . (-2,3) + 1,7 . (-3,7) - 1,7 . 3 - 1,7 . 1

= 1,7 . [(-2,3) + (-3,7) - 3 - 1]

= 1,7 . (-10)

= -17

Answer 2

\(-1.7\cdot2.3+1.7\cdot\left(-3.7\right)-1.7\cdot3-0.17:0.1\)

\(=\dfrac{-17}{10}\cdot\dfrac{23}{10}+\dfrac{17}{10}\cdot\left(\dfrac{-37}{10}\right)-\dfrac{17}{10}\cdot3-\dfrac{17}{100}:\dfrac{1}{10}\)

\(=\dfrac{-17}{10}\cdot\dfrac{23}{10}+\dfrac{17}{10}\cdot\left(\dfrac{-37}{10}\right)-\dfrac{17}{10}\cdot3-\dfrac{17}{100}\cdot10\)

\(=\dfrac{-391}{100}+\dfrac{-629}{100}-\dfrac{51}{10}-\dfrac{17}{10}\)

\(=\dfrac{-391}{100}+\dfrac{-629}{100}-\dfrac{510}{100}-\dfrac{170}{100}\)

\(=\dfrac{-391+\left(-629\right)-510-170}{100}\)

\(=\dfrac{-1700}{100}=-17\)