Page 97 - 883299_ATC_CWICZ_MAT_Kl-2_Cz_2
P. 97
15 + 7 = 12 + 16 = 24 + = 31
14 + 9 = 11 + 22 = 16 + = 22
14 + 8 = 32 + 15 = 19 + = 25
19 + 4 = 32 + 14 = 26 + = 33
17 + 7 = 23 + 26 = 12 + = 20
16 + 6 = 42 + 18 = 36 + = 44
12 – 5 = 28 – 23 = 27 – = 20
13 – 8 = 54 – 42 = 31 – = 27
16 – 9 = 67 – 45 = 36 – = 28
15 – 6 = 76 – 53 = 28 – = 18
11 – 7 = 54 – 32 = 55 – = 47
14 – 6 = 69 – 36 = 41 – = 35
60 – 40 = 60 – = 20 2 · 2 =
70 – 30 = 70 – = 10 7 · 3 =
50 – 35 = 40 – = 20 6 · 4 =
70 – 45 = 50 – = 10 8 · 3 =
60 – 25 = 60 – = 30 5 · 5 =
90 – 55 = 80 – = 50 6 · 3 =
30 + 30 = 20 + = 60 2 · 7 =
20 + 45 = 50 + = 70 3 · 9 =
60 + 35 = 20 + = 45 2 · 9 =
Moje wyzwania matematyczne 95
