Question

ctuati
+ 10
10
0 10 20 30 40 50 60 70 80 90 100
30 + 10
30 + 20
30 + 30
90 60
20 + 10
30 - 20
60 + 20
50 - 20
50 + 10
50 + 40
10 + 60
80 - 70
70 + 10 - 50 - 40
70 + 20
60 - 30
Copiati
, calculaţi şi completați tabelele:​

Answer 1

Răspuns:

10+10=20

20+10=30

30+10=40

30+20=50

30+30=60

90+60=150

30-20=10

60+20=80

50-20=30

50+10=60

50+40=90

10+60=70

80-70=10

70+10-50-40=80-10=70

70+20=90

60-30=30