Question

calcule o valor destas experssoes !! AJUDA!!

Answer 1

A- 7x8-4x5=
56- 20=
36

B- 4x9-36: 3=
36-12=
24

C-121- (68+49)=
121- 117=
4

D-5 x (14-8)=
5x 6=
30

E- (8x9-36): [18: (15-3x4)] *2=
(72-36): [18: (15-12)] *2=
36: [18: 3] *2=
36: 6*2=
36: 36=
1

Espero ter ajudado