Question

Calculează, folosind scăderea repetată de termeni egali: a) 32:5= 16:5= c) 55:9= 34:7= b) 69:7= 56:8= d) 9:4= 20:8= e) 81:9= 37:7=​

Answer 1

Răspuns:

a) 32:3=10, rest 2.

30

------

2

16 :5= 2, rest 6

10

---

6

c) 55:9=6, rest 1

54

----

1

34:7= 4, rest 6

28

-----

6

b) 69:7= 9, rest 6

63

——

6

56:8=7

56

----

00

d) 9:4=2, rest 1

8

—

1

20:8= 2, rest 2

16

—

4

e) 81:9=9

81

----

00

37:7= 5

35

----

2

Explicație pas cu pas:

a)

32-5=27-5=22-5=17-5=12-5=7-5=2

16-5=11-5=6-5=1

c)

55-9=46-9=37-8=28-8=19-9=10-9=1

34-7=27-7=20-7=13-7=6

b)

69-7=62-7=55-7=48-7=41-7=34-7=27-7=20-7=13-7=6

56-8=48-8=32-8=24-8=16-8=8-8=0

d)

9-4=5-4=1

20-8=12-8=4

e)

81-9=72-9=63-9=54-9=45-9=36-9=27-9=18-9=9-9=0

37-7=30-7=23-7=16-7=9-7=2

Answer 2

Doar le am calculat









Sper ca te am ajutat