Question

(72:9+19):9=

(21:3+43):5=

45:9+(40:8)=

(64:8+7):3=

9*9-(8:8)=

80-(28:7+6)=

54:9+(6*4)=


va rog dau coronita

Answer 1

Răspuns:

Explicație pas cu pas:

(72:9+19):9= (8+19):9 = 27:9 = 3

(21:3+43):5= (7+43):5 = 50:5 = 10

45:9 + (40:8) = 5 + 5 = 10

(64:8+7):3= (8 + 7):3 = 15:3 = 5

9·9-(8:8)= = 81 - 1 = 80

80-(28:7+6)= 80 -(4+6) = 80-10 = 70

54:9+(6·4)= 6 + 24 = 30

Se calculeaza  mai intai parantezele pe urma  in ordine  

inmultirea si impartirea

adunarea si scaderea .

Answer 2

Explicație pas cu pas:

(72:9+19):9=

(8+19):9=

27:9=

3

(21:3+43):5=

(7+43):5=

50:5=

10

45:9+(40:8)=

45:9+5=

5+5=

10

(64:8+7):3=

(8+7):3=

15:3=

5

9×9-(8:8)=

81-1=

80

80-(28:7+6)=

80-(4+6)=

80-10=

70

54:9+(6×4)=

6+24=

30