👤

80-2×{285÷19+15÷3×[265-(50÷25+2)×65]}

Răspuns :

=80-2×{285÷19+15÷3×[265-4x65]}
=80-2×{285÷19+15÷3×[265-260]
=80-2×{285÷19+15÷3×5}
=
80-2×{285÷19+15÷15}
=
80-2×{15+1}
=80-2x16
=48
=80-2×{285÷19+15÷3×[265-4x65]}
=80-2×{285÷19+15÷3×[265-260]
=80-2×{285÷19+15÷3×5}
=
80-2×{285÷19+15÷15}
=
80-2×{15+1}
=80-2x16
=48