Question

Calculati:
B). 150-{520 -[680:20+4×(8×4+6×3)]}:2=
Va rog ajutati ma !!!!!!!!!!!!!!!!!!!!!!!

Answer 1

   150-{520 -[680:20+4×(8×4+6×3)]}:2=
= 150-{520-[34+4x(32+18)]}:2 = 
= 150-[520-(34+4x50)]:2 = 
= 150-[520-(34+200)]:2 = 
= 150-(520-234):2 = 
= 150-286:2 = 
= 150-143 = 
= 7

Answer 2

B). 150-{520-[680:20+4x(8x4+6x3)]}:2=
150-{520-[680:20+4x(32+18)]}:2=
150-[520-(680:20+4x50)]:2=
`150-[520-(34+200)]:2=
150-(520-234):2=
150-286:2=
150-143=
7

Sper ca te-am ajutat!!! =3