Question

resolva as expressões
a) 247.2.4-20
b)24.24-35
c)25²
d)40²-30²
e)142²-2⁴-20

ME AJUDEM POR FAVOR​

Answer 1

a) 247 . 8 - 20

1976 - 20

1956

b) 576 - 35

541

c) 25 x 25 = 625

d) 40 x 40 - 30 x 30

1600 - 900

700

e) 142 x 142 - 2 x 2 x 2 x 2 - 20

20.164 - 16 - 20

20.148 - 20

20.128