Question

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Answer 1

$(\frac{1}{3} * 10 -\frac{1}{2} * 8)*(\frac{1}{100}*15)=(\frac{10}{3} -\frac{8}{2} )*(\frac{15}{100} )=\frac{20-24}{6} *\frac{15}{100} =-\frac{4}{6} *\frac{15}{100} = -\frac{4*15}{6*100} =-\frac{2*3}{3*20}=-\frac{1}{10}$

Answer 2

Ответ:

(

3

1

∗10−

2

1

∗8)∗(

100

1

∗15)=(

3

10

−

2

8

)∗(

100

15

)=

6

20−24

∗

100

15

=−

6

4

∗

100

15

=−

6∗100

4∗15

=−

3∗20

2∗3

=−

10

1