Слайд 2
![2-1= 1 2+1= 5-1= 1+1= 4+1= 7-1= 6+1= = 2](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-1.jpg)
2-1=
1
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
2
3
5
4
6
7
2-1=
1+1=
4+1=
5-1=
7-1=
6+1=
2+1=
1
Слайд 3
![1 2+1= 5-1= 1+1= 4+1= 7-1= 6+1= = 2 3](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-2.jpg)
1
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
2
3
5
4
6
7
2-1=
2-1=
1+1=
4+1=
5-1=
7-1=
6+1=
2+1=
1
Слайд 4
![1+1= 1 2+1= 5-1= 1+1= 4+1= 7-1= 6+1= = 2](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-3.jpg)
1+1=
1
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
2
3
5
4
6
7
2-1=
2-1=
4+1=
5-1=
7-1=
6+1=
2+1=
1
2
Слайд 5
![2+1= 1+1= 2+1= 5-1= 1+1= 4+1= 7-1= 6+1= = 1](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-4.jpg)
2+1=
1+1=
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
1
2
3
5
4
6
7
2-1=
2-1=
4+1=
5-1=
7-1=
6+1=
3
Слайд 6
![2+1= 4 5-1= 1+1= 2+1= 5-1= 1+1= 4+1= 7-1= 6+1=](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-5.jpg)
2+1=
4
5-1=
1+1=
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
1
2
3
5
6
7
2-1=
2-1=
7-1=
6+1=
3
4+1=
4
Слайд 7
![2+1= 4+1= 5-1= 1+1= 2+1= 5-1= 1+1= 4+1= 7-1= 6+1=](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-6.jpg)
2+1=
4+1=
5-1=
1+1=
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
1
2
3
5
4
6
7
2-1=
2-1=
7-1=
6+1=
5
Слайд 8
![7-1= 4+1= 5-1= 2+1= 1+1= 2+1= 5-1= 1+1= 4+1= 7-1=](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-7.jpg)
7-1=
4+1=
5-1=
2+1=
1+1=
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
1
2
3
5
4
6
7
2-1=
2-1=
6+1=
6
Слайд 9
![6+1= 7-1= 2+1= 5-1= 4+1= 1+1= 2+1= 5-1= 1+1= 4+1=](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/511060/slide-8.jpg)
6+1=
7-1=
2+1=
5-1=
4+1=
1+1=
2+1=
5-1=
1+1=
4+1=
7-1=
6+1=
=
1
2
3
5
4
6
7
2-1=
2-1=
7