Zad. 1.
90 + 60 = 150
90 + 70 = 160
90 + 90 = 180
80 + 70 = 150
80 + 50 = 130
80 + 80 = 160
70 + 40 = 110
70 + 50 = 120
70 + 60 = 130
60 + 60 = 120
60 + 90 = 150
60 + 50 = 110
Zad. 2.
• 120 = 60 + 60
120 = 30 + 90
120 = 40 + 80
120 = 50 + 70
• 110 = 50 + 60
110 = 20 + 90
110 = 100 + 10
110 = 30 + 80
Zad. 3.
90 + 55 = 145
90 + 22 = 112
90 + 20 = 110
80 + 51 = 131
50 + 64 = 114
75 + 50 = 125
40 + 86 = 126
70 + 56 = 126
82 + 60 = 142
60 + 48 = 108
60 + 90 = 150
65 + 70 = 135
Zad. 4.
Zadanie w załączniku.