Question

Calcule as operações dos monômios:
a) 4a . a
2
. (− 2a
4
)

b) (− 5x2y) . (− 3y
3
)

c) 7xy . (− 8x)

d) 25ac
9
÷ 10ac

e) 28ac ÷ (− 7ac)

f) (75x
3
y
3
)÷(25x
4
y
3
)

g) (− 3ab
4
)
3

h) (− a
4
b)
2

i) (+ 5a
5
)

Answer 1

Resposta:

prai ja eu faço as contas aq