Question

efectuati 50 +4×{12+2×[300-6×(45-3×7+8)]}

Answer 1

=50+4*{12+2*[300-6*(45-21+8)]}=
50+4*{12+2*{300-6*32]]=
50+4*{12+2*[300-192]}=
50+4*{12+2*108}=
50+4*{12+216}=
50+4*228=
50+912=962

Answer 2

50+4×{12+2×[300-6×(45-21+8)]}=
50+4×[12+2×(300-6×32)]=
50+4×[12+2×(300-192)]=
50+4×(12+2×108)=
50+4×(12+216)=
50+4×228=
50+912=
962