Question

reprezinta fiecare dintre numerele 41, 53, 77, 80. a) suma a 2 termeni b) diferenta a 2 numere. Gaseste mai multe posibilitati.

Answer 1

a)
20+21=41
19+22=41

30+23=53
32+21=53

66+11=77
60+17=77

20+60=80
24+56=80

b)
75-34=41
96-55=41

99-46=53
87-34=53

98-21=77
88-11=77

100-20=80
90-10=80

Answer 2

a) 41=31+10
41=22+19

53=20+33
53=11+32

77=22+55
77=31+46

80=30+50
80=45+35

b) 41=61-20
41=88-47

53=73-20
53=66-13

77=99-22
77=80-3

80=99-19
80=88-8