Question

1 calcule cada produto, simplificando quando possível
a)-3/4• -8/9=
b)-5/3• 12/10=
c)-5/4• 16/15=
d)7/3• 2/14=
e)-3/7• 21/8=
f)20/35• 7/4=
g)50/10• 100/5=
h)4/5• 5/12=
i)-6/1• 5/3• -2/15=
j)-7/15• 10/21• -6/1=
*POR FAVOR MIM AJUDA PRA HJ POR FAVOR*☝️​

Answer 1

Oi....

Calcule cada produto e simplifique quando possível:

 

a)

- 3/4 × - 8/9

3/4  × 8/9

3 × 2/9

2/3

b)

- 5/3 × 12/10

- 5 × 4/10

- 4/2

c)

- 5/4 × 16/15

- 80/60÷20

- 4/3

d)

7/3 × 2/14=

14/42÷14

1/3

e)

- 3/7 × 21/8

- 63/56

- 9/8

f)

20/35 × 7/4

140/140

1

g)

50/10 × 100/5

5000/50÷50

100

h)

4/5 × 5/12

20/60 ÷20

1/3

i)

- 6/1 × 5/3 × - 2/15

6/1 × 5/3 × 2/15

2/1 × 5 × 2/15

2/1 × 2/3

4/3

j)

- 7/15 × 10/21 × - 6/1

1/3 × 2/3 × 6/1

2/3 × 2/1

4/3

Espero ter ajudado.