Question

Scrie cât mai multe operații de adunare și scădere,folosind numere de pe tăbliță.​

Answer 1

Răspuns:

60-40=20 90-40=50 40+20=60 50+40=90 60+30=90 90-30=60

Answer 2

Răspuns:

60+90=150

60+40=100

40+30=70

50+20=70

90+20=110

60+30=90

60+20=80

60+50=110

90+40=130

90+30=120

90+50=140

40+30=70

40+20=60

40+50=90

30+20=50

30+50=80

20+50=70

60+60=120

90+90=180

40+40=80

30+30=60

10+20=40

50+50=100

60-40=20

60-30=30

60-20=40

60-50=10

90-60=30

90-40=50

90-40=60

90-20=70

90-50=40

40-30=10

40-20=20

30-20=10

50-40=10

50-30=20

50-20=30

60-60=0

90-90=0

40-40=0

30-30=0

20-20=0

50-50=0