4 +7= 13 121110 2 +9= 6 +8= 4 +8= 5 +9= 3 +8= 7 +7= 6 +7= 141512 13 11141012 11131210 14131215 14121310 12141511 13111214. - презентация

1

2 4 +7= = 6 +8= 4 +8= 5 +9= 3 +8= 7 +7= 6 +7=

3 4 +9= = 6 +6= 4 +9= 5 +7= 8 +8= 9 +9= 6 +9=

4 11-6= = 13-8= 11-9= 13-9= 14-6= 12-4= 16-7=

5 15-8= = 16-8= 14-7= 15-6= 13-7= 12-3= 16-9=

6 baa1c3f639ee8cc61d103af3fab