Question

visad
(a +(-12) :(-4
43-34
(-1) 5.2.6
a
2², 12
3
3
3) - (-10)​

Answer 1

Resposta:

A) 1/5-6/8+81/9:27/15

8/40-30/40+81/9:27/15

-22/40+81/9:27/15

-22/40+81/9.15/27

(-22:10/40:10)+(1215:81/243:81)

(-2.3/4.3)+(15.4/3.4)

-6/12+60/12

54/12

B)3/2:6/8+4/12-9/2

3/2.8/6+4/12-9/2

24/12+4/12-9/2

2/12-(9.6/2.6)

2/12-54/12

-52/12

C)-5/4:1/2-{-2/4}

-5/4:(1.2/2.2+2/4)

-5/4:2/4+2/4

-5/4:4/4

-1/4

D)2/3-5/4+27/18:9/2

(2.4/3.4)-(5.3/4.3)+27/18:9/2

8/12-15/12+27/18:9/2

-7/12+27/18.2/9

-7/12+54/162

(-7.6/12.6)+(6.4/18.4)

-42/72+24/72

-18/72

E)1/7:5/14+2/10-7/2

1/7.14/5+2/10-7/2

(14:7/35:7)+2/10-7/2

2/5+2/10-7/2

(2.2/5.2)+2/10-7/2

4/10+2/10-7/2

6/10/-(7.5/2.5)

6/10-35/10

6/41

F)8/10+3/6

(8:2/10:2)+(3:3/6:3)

(4.2/5.2)+(1.5/2.5)

8/10+5/10

13/10

G)2/6-3/10+17/34:10/4

(2.5/6.5)-(3.3/10.3)+17/34:10/4

10/30-9/30+17/34:10/4

1/30+17/34:(10:2/4:2)

1/30+17/34:5/2

1/30+17/34.2/5

(1.17/30.17)+(34.3/170.3)

17/510+102/510

119/510

H)1/2:3/4+2/6-3/4

4/6+2/6-3/4

6/6-3/4

24/24-18/24

6/24

I)2/14-1/2.10/4

(2.4/14.4)-(10.7/8.7)

8/56-70/56

-62/56