Question

15-4×{12-3×[10-7×(13-2×6)]}=​

Answer 1

15-4×{12-3×[10-7×(13-2×6)]}=
15-4×{12-3×[10-7×(13-12)]}=
15-4×[12-3×(10-7×1)]=
15-4×[12-3×(10-7)]=
15-4×(12-3×3)=
15-4×(12-9)=
15-4×3=
15-12=3
Raspuns final : 3

Answer 2

15-4×{12-3×[10-7×(13-2×6)]}=3
15-4×{12-3×[10-7×(13-12)]}=3
15-4×[12-3×(10-7×1)]=3
15-4×[12-3×(10-7)]=3
15-4×(12-3×3)=3
15-4×(12-9)=3
15-4×3=3
15-12=3