Question

4×3-2×[72:8×7-18:(2×4×9-64:8:4×3×9)-2×3×10]=


dau coroana,vreau rezolvarea​

Answer 1

4×3-2×[72:8×7-18:(2×4×9-64:8:4×3×9)-2×3×10]=

12-2x[9x7-18:(8x9-8:4x3x9)-2x3x10]=

12-2x[63-18:(72-2x3x9)-6x10]=

12-2x[63-18:(72-54)-60]

12-2x(63-18:18-60)=

12-2x(63-1-60)=

12-2x(62-60)=

12-2x2=

12-4=8