Устный счёт презентация

9 + 2 – 5 = 15 – 8 + 4 =
8 + 5 – 9 = 14 – 7 + 6 =
8 + 6 – 7 = 18 – 9 + 3 =
5 + 7 – 3 = 17 – 8 + 5 =
6
4
7
9
11
13
12
14

27 + 38 = 80 – 42 =
45 + 26 = 60 – 37 =
36 + 57 = 90 – 54 =
19 + 15 = 70 – 22 =
65
71
93
34
38
23
36
48