Odpowiedź:
zad 1
a) 27 + 65 = 92
58 + 16 = 74
39 + 42 = 81
b) 85 + 24 = 109
170 + 54 = 224
350 + 69 = 419
c) 160 + 110 = 270
430 + 520 = 950
960 + 400 = 1060
d) 99 - 35 = 64
85 - 47 = 38
54 - 26 = 28
e) 106 - 20 = 86
497 - 61 = 436
500 - 89 = 411
f) 700 - 250 = 450
500 - 160 = 340
808 - 109 = 699
zad 2
105
zad 3
a) 87 + 8 = 95
76 + 17 = 93
56 + 16 = 82
b) 82 - 32 = 50
87 - 46 = 41
53 - 35 = 18
c) 69 - 55 = 14
57 - 29 = 28
135 - 99 = 36
zad 4
Karol ma 6 lat, a Marcin ma 28 lat.
