Question

Resolva as frações

9/5 + 5/6

2 × 3/2

2 : 1/2

3/4 + 1/8

1/2 × 9/8

4/5 : 2/7

1/2 - 1/3

4/3 × 3/5

17/2 : 6/2

5/12 - 1/3 + 2/6

5/8 × 4/2 × 8/5

3/5 : 5/7

1/6 + 1/7

1/2 × 2/3 × 3/4

3/2 : 8

3/8 : 9

Answer 1

9/5+5/6=
=54/30+25/30
=79/30

2*3/2=
=3

2:1/2=
=2*2
=4

3/4+1/8
=6/8+1/8
=7/8

1/2*9/8=
=1*9/2*8
=9/16

4/5:2/7
=4/5*7/2
=2/5*7
=14/5

1/2-1/3=
=3/6-2/6
=1/6

4/3*3/5=
=4*1/5
=4/5

17/2:6/2=
=17/2*2/6
=17*1/6
=17/6

5/12-1/3+2/6=
=5/12-1/3+1/3
=5/12+0
=5/12

5/8*4/2*8/5=
=1/8*4/2*8
=4/2
=2

3/5:5/7=
=3/5*7/5
=21/25

1/6+1/7=
=7/42+6/42
=13/42

1/2*2/3*3/4=
=1/3*3/4
=1/4

3/2:8=
=3/2*1/8
=3/16

3/8:9=
=3/8*1/9
=1/8*1/3
=1/24

Answer 2

Resposta:

Explicaçã(-8+3-5+1)-(-2+4-8-5)= -10 +7 -13 -4

[-8+(-3+2-1)-2]-[-(4+1-2)+1]= +24 - 16 -8 +16 +4 +1 -2 +1

[-(-3+1-2)+(2-4+5)]+[(-5+3+7)-(-3+1+6)]= +3 -1 +2 +2 -4 +5 -5 +3 +7 +3 -1 -6

o passo-a-passo: