Question

a)7²-40+18: 3²-10=

b) (6²-5²) ×3³-10²=

c) (7×3²-1): (8²-2×31=

d) (4³+4²+4) : 7+2×(3+3²+3³)=​

Answer 1

Resposta:

a)

49-40+18:9-1

9+2-1

11-1

10

b)

(36-25)x27-100

11x27-100

297-100

197

C)

(7x9-1)÷(64-2×31)

(63-1)÷(64-62)

(62)÷(2)

31

d)

(64 +  16 + 4) :7 + 2 x (3 + 9 + 27)

84 :7 + 2 x 39

12 + 78

90

Answer 2

Resposta

• a)  21

• b)34

• c)93
• d)180

espero ter te ajudado  :)