Слайд 10+1=
+2=
+3=
-1=
+4=
-3=
-2=
-4=
+5-4
+5-3
+4-5
+3-5
+5-2
+2-5
+5-1
+1-5
![+1= +2= +3= -1= +4= -3= -2= -4= +5-4 +5-3 +4-5 +3-5 +5-2 +2-5 +5-1 +1-5](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1078835/slide-9.jpg)
Слайд 11+1=
+2=
+3=
-1=
+4=
-3=
-2=
-4=
-9+10
-8+10
-10+9
-10+8
-7+10
-10+7
-6+10
-10+6
+5=
-5+10
-5=
-10+5
![+1= +2= +3= -1= +4= -3= -2= -4= -9+10 -8+10 -10+9 -10+8](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1078835/slide-10.jpg)
Слайд 12+9=
+8=
-9=
-1+10
-2+10
-10+1
-10+2
-8=
+7=
-3+10
-7=-10+3
+6=-4+10
-6=-10+4
![+9= +8= -9= -1+10 -2+10 -10+1 -10+2 -8= +7= -3+10 -7=-10+3 +6=-4+10 -6=-10+4](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1078835/slide-11.jpg)